Operations with Roman Numerals (A) 1. DCCCXVII - XXXIX 11. DCLXVIII + CLII 2. DCCCLVIII LXVI 12. DCCLXVII + CLXVII 3. DCXXIV LII 13. DCLX LX 4. DCLIX - CCXXXII 14. DCCCXVI LI 5. DCCCXXXI - CXXXIV 15. DCCXLVIII - DCCXXV 6. CDXXXII XXIV 16. DCCCXXI - CDXXII 7. CCCXXXVIII CLXIX 17. CDXCIV - XL 8. CXXXII VI 18. DCCCII - DI 9. DCCCLXV + LXXXIX 19. DLXXXIX XIX 10. CDXIII + CLXVII 20. DCCCLXI XLI
Operations with Roman Numerals (A) Answers 1. DCCCXVII - XXXIX 11. DCLXVIII + CLII = DCCLXXVIII = DCCCXX 2. DCCCLVIII LXVI 12. DCCLXVII + CLXVII = XIII = CMXXXIV 3. DCXXIV LII 13. DCLX LX = XII = XI 4. DCLIX - CCXXXII 14. DCCCXVI LI = CDXXVII = XVI 5. DCCCXXXI - CXXXIV 15. DCCXLVIII - DCCXXV = DCXCVII = XXIII 6. CDXXXII XXIV 16. DCCCXXI - CDXXII = XVIII = CCCXCIX 7. CCCXXXVIII CLXIX 17. CDXCIV - XL = II = CDLIV 8. CXXXII VI 18. DCCCII - DI = XXII = CCCI 9. DCCCLXV + LXXXIX 19. DLXXXIX XIX = CMLIV = XXXI 10. CDXIII + CLXVII 20. DCCCLXI XLI = DLXXX = XXI
Operations with Roman Numerals (B) 1. XI LXVIII 11. CCLV + CDLXXIV 2. XXVIII XXXV 12. DCCCXIX - XXXIV 3. DLXIV + CCLV 13. CMIV - CCXXI 4. DCLXI + XIII 14. CMXXXVIII CDLXIX 5. DCCCLXII + CXXII 15. V LXXX 6. IX XXXIII 16. XXXI XXX 7. III CCII 17. LV V 8. CMLIII + XXXVI 18. DCCLXXIV - CCV 9. DCCLXXVIII + CXLV 19. DXXI - V 10. DCCLX + XXVI 20. IV CXLIII
Operations with Roman Numerals (B) Answers 1. XI LXVIII 11. CCLV + CDLXXIV = DCCXLVIII = DCCXXIX 2. XXVIII XXXV 12. DCCCXIX - XXXIV = CMLXXX = DCCLXXXV 3. DLXIV + CCLV 13. CMIV - CCXXI = DCCCXIX = DCLXXXIII 4. DCLXI + XIII 14. CMXXXVIII CDLXIX = DCLXXIV = II 5. DCCCLXII + CXXII 15. V LXXX = CMLXXXIV = CD 6. IX XXXIII 16. XXXI XXX = CCXCVII = CMXXX 7. III CCII 17. LV V = DCVI = XI 8. CMLIII + XXXVI 18. DCCLXXIV - CCV = CMLXXXIX = DLXIX 9. DCCLXXVIII + CXLV 19. DXXI - V = CMXXIII = DXVI 10. DCCLX + XXVI 20. IV CXLIII = DCCLXXXVI = DLXXII
Operations with Roman Numerals (C) 1. DCXLIV XXIII 11. DLVIII XCIII 2. CDLXXIV + CDLXXI 12. LXI + DCCXVIII 3. XXIV XXIX 13. DCCCLVI - XI 4. DCCXCVIII XLII 14. CMLX LXXX 5. CCLXXXVI XXII 15. CMLXVIII XLIV 6. CCXXXI XI 16. DCXCV - CII 7. V CLXXXV 17. CXXXII VI 8. DCLXIX - CLXXX 18. DCLXXXIV LVII 9. XVII LV 19. DCLXXV XXV 10. CLXXIV VI 20. XX XVIII
Operations with Roman Numerals (C) Answers 1. DCXLIV XXIII 11. DLVIII XCIII = XXVIII = VI 2. CDLXXIV + CDLXXI 12. LXI + DCCXVIII = CMXLV = DCCLXXIX 3. XXIV XXIX 13. DCCCLVI - XI = DCXCVI = DCCCXLV 4. DCCXCVIII XLII 14. CMLX LXXX = XIX = XII 5. CCLXXXVI XXII 15. CMLXVIII XLIV = XIII = XXII 6. CCXXXI XI 16. DCXCV - CII = XXI = DXCIII 7. V CLXXXV 17. CXXXII VI = CMXXV = XXII 8. DCLXIX - CLXXX 18. DCLXXXIV LVII = CDLXXXIX = XII 9. XVII LV 19. DCLXXV XXV = CMXXXV = XXVII 10. CLXXIV VI 20. XX XVIII = XXIX = CCCLX
Operations with Roman Numerals (D) 1. CDXXVII + CCCLX 11. CCLIX + XX 2. DCLX + CCXC 12. CDXVIII XXII 3. CDLIII - CCCLI 13. CLXXVI + CXCIX 4. DCXXVI - CDXIX 14. XIV XXXI 5. CMLXXXII - CV 15. CDLVIII + CCXXXVI 6. DCLXXV XXV 16. XXI VII 7. CXCIV + CDX 17. XXIV XXX 8. CCLXX + DII 18. CCXXIII - CVIII 9. CCCXIII - XXXV 19. DXXV XXI 10. DXIX + CV 20. V CV
Operations with Roman Numerals (D) Answers 1. CDXXVII + CCCLX 11. CCLIX + XX = DCCLXXXVII = CCLXXIX 2. DCLX + CCXC 12. CDXVIII XXII = CML = XIX 3. CDLIII - CCCLI 13. CLXXVI + CXCIX = CII = CCCLXXV 4. DCXXVI - CDXIX 14. XIV XXXI = CCVII = CDXXXIV 5. CMLXXXII - CV 15. CDLVIII + CCXXXVI = DCCCLXXVII = DCXCIV 6. DCLXXV XXV 16. XXI VII = XXVII = CXLVII 7. CXCIV + CDX 17. XXIV XXX = DCIV = DCCXX 8. CCLXX + DII 18. CCXXIII - CVIII = DCCLXXII = CXV 9. CCCXIII - XXXV 19. DXXV XXI = CCLXXVIII = XXV 10. DXIX + CV 20. V CV = DCXXIV = DXXV
Operations with Roman Numerals (E) 1. CDLXXXVIII - LXXXII 11. CCXXXIV XVIII 2. DXCVIII XXVI 12. DLXXIX - CDLXXXVII 3. DCCXC + XIX 13. XIX IV 4. DIX + CDXXIV 14. DCCV + CCXVIII 5. XII LXIII 15. CCXLVII + CDLXXIII 6. DCCXXI - DXII 16. CCCXXXIII + CLVII 7. DCCIX - CCXXV 17. CDLXXXI - XC 8. XXVII XXXII 18. XIV XXIII 9. DCCCLXXXIX + LIII 19. DCLXIII XXXIX 10. CMXVIII + LVI 20. DLXVIII CXLII
Operations with Roman Numerals (E) Answers 1. CDLXXXVIII - LXXXII 11. CCXXXIV XVIII = CDVI = XIII 2. DXCVIII XXVI 12. DLXXIX - CDLXXXVII = XXIII = XCII 3. DCCXC + XIX 13. XIX IV = DCCCIX = LXXVI 4. DIX + CDXXIV 14. DCCV + CCXVIII = CMXXXIII = CMXXIII 5. XII LXIII 15. CCXLVII + CDLXXIII = DCCLVI = DCCXX 6. DCCXXI - DXII 16. CCCXXXIII + CLVII = CCIX = CDXC 7. DCCIX - CCXXV 17. CDLXXXI - XC = CDLXXXIV = CCCXCI 8. XXVII XXXII 18. XIV XXIII = DCCCLXIV = CCCXXII 9. DCCCLXXXIX + LIII 19. DCLXIII XXXIX = CMXLII = XVII 10. CMXVIII + LVI 20. DLXVIII CXLII = CMLXXIV = IV
Operations with Roman Numerals (F) 1. CDLXXVIII CCXXXIX 11. XXIX XIX 2. DXLIX + LXXXVI 12. XXIV XVIII 3. II CD 13. XXIV XIX 4. CXII IV 14. DCCLXVIII XXXII 5. CCCXCVI + DXLV 15. II CDXCIII 6. CXCIX + DCCXXXVI 16. VII + DL 7. CMLXI - XXXI 17. CMXXV - IV 8. CMXXXVI + XII 18. CMVIII - XCVI 9. CMXLIII - CLXIX 19. XXXI III 10. VIII LXVII 20. XIII XXXVIII
Operations with Roman Numerals (F) Answers 1. CDLXXVIII CCXXXIX 11. XXIX XIX = II = DLI 2. DXLIX + LXXXVI 12. XXIV XVIII = DCXXXV = CDXXXII 3. II CD 13. XXIV XIX = DCCC = CDLVI 4. CXII IV 14. DCCLXVIII XXXII = XXVIII = XXIV 5. CCCXCVI + DXLV 15. II CDXCIII = CMXLI = CMLXXXVI 6. CXCIX + DCCXXXVI 16. VII + DL = CMXXXV = DLVII 7. CMLXI - XXXI 17. CMXXV - IV = CMXXX = CMXXI 8. CMXXXVI + XII 18. CMVIII - XCVI = CMXLVIII = DCCCXII 9. CMXLIII - CLXIX 19. XXXI III = DCCLXXIV = XCIII 10. VIII LXVII 20. XIII XXXVIII = DXXXVI = CDXCIV
Operations with Roman Numerals (G) 1. CIV IV 11. XXIX VII 2. XV XX 12. CM XXX 3. CDLVI XXIV 13. DX LI 4. CMLXXXVI XXXIV 14. CDLXXXIV - LXXXIV 5. XIII XII 15. DCCCLXXX CCXX 6. XI LXXXIV 16. DCCL - CCCXX 7. CMLXIV - CCCLXIX 17. CMXII - DXXII 8. XXX XVI 18. CMLXXII LXXXI 9. DCCCXXXI - XXXV 19. DCLXXII XLVIII 10. DCCCLV XCV 20. XX II
Operations with Roman Numerals (G) Answers 1. CIV IV 11. XXIX VII = XXVI = CCIII 2. XV XX 12. CM XXX = CCC = XXX 3. CDLVI XXIV 13. DX LI = XIX = X 4. CMLXXXVI XXXIV 14. CDLXXXIV - LXXXIV = XXIX = CD 5. XIII XII 15. DCCCLXXX CCXX = CLVI = IV 6. XI LXXXIV 16. DCCL - CCCXX = CMXXIV = CDXXX 7. CMLXIV - CCCLXIX 17. CMXII - DXXII = DXCV = CCCXC 8. XXX XVI 18. CMLXXII LXXXI = CDLXXX = XII 9. DCCCXXXI - XXXV 19. DCLXXII XLVIII = DCCXCVI = XIV 10. DCCCLV XCV 20. XX II = IX = XL
Operations with Roman Numerals (H) 1. DCCCXIX + LXII 11. DCCXCVIII - CV 2. DII - XCVIII 12. V CXXXVII 3. CCXXXVIII XVII 13. CCC XII 4. CMLXXV XXXIX 14. LXVI + CDLXXXII 5. XVIII XXIII 15. CCLXXIX IX 6. XXV XXXVI 16. CXXII + DXIII 7. LXXV V 17. CXXXIII + CII 8. CMXXXII - XCVII 18. CCCVII - LXXI 9. DCLIII - CDLXXXIV 19. CCCXXXIII + DXCII 10. LI III 20. DLXXX XX
Operations with Roman Numerals (H) Answers 1. DCCCXIX + LXII 11. DCCXCVIII - CV = DCCCLXXXI = DCXCIII 2. DII - XCVIII 12. V CXXXVII = CDIV = DCLXXXV 3. CCXXXVIII XVII 13. CCC XII = XIV = XXV 4. CMLXXV XXXIX 14. LXVI + CDLXXXII = XXV = DXLVIII 5. XVIII XXIII 15. CCLXXIX IX = CDXIV = XXXI 6. XXV XXXVI 16. CXXII + DXIII = CM = DCXXXV 7. LXXV V 17. CXXXIII + CII = XV = CCXXXV 8. CMXXXII - XCVII 18. CCCVII - LXXI = DCCCXXXV = CCXXXVI 9. DCLIII - CDLXXXIV 19. CCCXXXIII + DXCII = CLXIX = CMXXV 10. LI III 20. DLXXX XX = XVII = XXIX
Operations with Roman Numerals (I) 1. DCXII + CCLXI 11. DLXXXVIII - CDLXXX 2. CCXVII VII 12. V VII 3. CDLVII - CCCXL 13. CMLXVI + V 4. DLVIII + CCXXIV 14. CDXVI XVI 5. XXVI II 15. DCCCLXXII + CXXVIII 6. XXX X 16. CLXXVIII + CCCLXIX 7. CDXI - LXXXV 17. LIV II 8. CCCXCV - CXXXVII 18. CMXXXVI XXXIX 9. CMXIII - CCXXXVI 19. DCCLXXXVIII CXCVII 10. CMXCVII - LXV 20. CMLIII - CXXXIII
Operations with Roman Numerals (I) Answers 1. DCXII + CCLXI 11. DLXXXVIII - CDLXXX = DCCCLXXIII = CVIII 2. CCXVII VII 12. V VII = XXXI = XXXV 3. CDLVII - CCCXL 13. CMLXVI + V = CXVII = CMLXXI 4. DLVIII + CCXXIV 14. CDXVI XVI = DCCLXXXII = XXVI 5. XXVI II 15. DCCCLXXII + CXXVIII = LII = M 6. XXX X 16. CLXXVIII + CCCLXIX = CCC = DXLVII 7. CDXI - LXXXV 17. LIV II = CCCXXVI = XXVII 8. CCCXCV - CXXXVII 18. CMXXXVI XXXIX = CCLVIII = XXIV 9. CMXIII - CCXXXVI 19. DCCLXXXVIII CXCVII = DCLXXVII = IV 10. CMXCVII - LXV 20. CMLIII - CXXXIII = CMXXXII = DCCCXX
Operations with Roman Numerals (J) 1. CMII - CCCXL 11. DCCCXIX - CDLXXX 2. CMXLVII + XXX 12. DCC XXXV 3. CMXLIII - XXI 13. CCCXCIV + CCLIV 4. CMXLVI - DLXXXI 14. VI LVII 5. DXXII + CDXXXIV 15. CDLXVI + CCCXXXVI 6. DLXIII - CCXL 16. CCXL X 7. CD XVI 17. DCCCXC LXXXIX 8. CDXIX + DLXXI 18. CMXXVI - CXIV 9. DCCLXIII - CDXCVI 19. XI XVIII 10. XXIV IX 20. XVIII LIV
Operations with Roman Numerals (J) Answers 1. CMII - CCCXL 11. DCCCXIX - CDLXXX = DLXII = CCCXXXIX 2. CMXLVII + XXX 12. DCC XXXV = CMLXXVII = XX 3. CMXLIII - XXI 13. CCCXCIV + CCLIV = CMXXII = DCXLVIII 4. CMXLVI - DLXXXI 14. VI LVII = CCCLXV = CCCXLII 5. DXXII + CDXXXIV 15. CDLXVI + CCCXXXVI = CMLVI = DCCCII 6. DLXIII - CCXL 16. CCXL X = CCCXXIII = XXIV 7. CD XVI 17. DCCCXC LXXXIX = XXV = X 8. CDXIX + DLXXI 18. CMXXVI - CXIV = CMXC = DCCCXII 9. DCCLXIII - CDXCVI 19. XI XVIII = CCLXVII = CXCVIII 10. XXIV IX 20. XVIII LIV = CCXVI = CMLXXII