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1. 1/2 + 1/3 =
Réponse: 5/6PPCM = 6. Donc, 1/2 + 1/3 = 3/6 + 2/6 = 5/6. 2. 1/2 + 1/4 =
Réponse: 3/4PPCM = 4. Donc, 1/2 + 1/4 = 2/4 + 1/4 = 3/4. 3. 1/2 + 1/5 =
Réponse: 7/10PPCM = 10. Donc, 1/2 + 1/5 = 5/10 + 2/10 = 7/10.
4. 1/2 + 1/6 =
Réponse: 2/3PPCM = 6. Donc, 1/2 + 1/6 = 3/6 + 1/6 = 4/6 = 2/3. 5. 1/2 + 1/7 =
Réponse: 9/14PPCM = 14. Donc, 1/2 + 1/7 = 7/14 + 2/14 = 9/14. 6. 1/2 + 1/8 =
Réponse: 5/8PPCM = 8. Donc, 1/2 + 1/8 = 4/8 + 1/8 = 5/8. 7. 1/2 + 1/9 =
Réponse: 11/18PPCM = 18. Donc, 1/2 + 1/9 = 9/18 + 2/18 = 11/18. 8. 1/2 + 1/10 =
Réponse: 3/5PPCM = 10. Donc, 1/2 + 1/10 = 5/10 + 1/10 = 6/10 = 3/5. 9. 1/2 + 1/11 =
Réponse: 13/22PPCM = 22. Donc, 1/2 + 1/11 = 11/22 + 2/22 = 13/22. 10. 1/2 + 1/12 =
Réponse: 7/12PPCM = 12. Donc, 1/2 + 1/12 = 6/12 + 1/12 = 7/12. 11. 1/3 + 1/3 =
Réponse: 2/3PPCM = 3. Donc, 1/3 + 1/3 = 2/3. 12. 1/3 + 1/4 =
Réponse: 7/12PPCM = 12. Donc, 1/3 + 1/4 = 4/12 + 3/12 = 7/12. 13. 1/3 + 1/5 =
Réponse: 8/15PPCM = 15. Donc, 1/3 + 1/5 = 5/15 + 3/15 = 8/15. 14. 1/3 + 1/6 =
Réponse: 1/2PPCM = 6. Donc, 1/3 + 1/6 = 2/6 + 1/6 = 3/6 = 1/2. 15. 1/3 + 1/7 =
Réponse: 10/21PPCM = 21. Donc, 1/3 + 1/7 = 7/21 + 3/21 = 10/21. 16. 1/3 + 1/8 =
Réponse: 11/24PPCM = 24. Donc, 1/3 + 1/8 = 8/24 + 3/24 = 11/24. 17. 1/3 + 1/9 =
Réponse: 4/9PPCM = 9. Donc, 1/3 + 1/9 = 3/9 + 1/9 = 4/9. 18. 1/3 + 1/10 =
Réponse: 13/30PPCM = 30. Donc, 1/3 + 1/10 = 10/30 + 3/30 = 13/30. 19. 1/3 + 1/11 =
Réponse: 14/33PPCM = 33. Donc, 1/3 + 1/11 = 11/33 + 3/33 = 14/33. 20. 1/3 + 1/12 =
Réponse: 5/12PPCM = 12. Donc, 1/3 + 1/12 = 4/12 + 1/12 = 5/12. 21. 1/4 + 1/4 =
Réponse: 1/2PPCM = 4. Donc, 1/4 + 1/4 = 2/4 = 1/2. 22. 1/4 + 1/5 =
Réponse: 9/20PPCM = 20. Donc, 1/4 + 1/5 = 5/20 + 4/20 = 9/20. 23. 1/4 + 1/6 =
Réponse: 5/12PPCM = 12. Donc, 1/4 + 1/6 = 3/12 + 2/12 = 5/12. 24. 1/4 + 1/7 =
Réponse: 11/28PPCM = 28. Donc, 1/4 + 1/7 = 7/28 + 4/28 = 11/28. 25. 1/4 + 1/8 =
Réponse: 3/8PPCM = 8. Donc, 1/4 + 1/8 = 2/8 + 1/8 = 3/8. 26. 1/4 + 1/9 =
Réponse: 13/36PPCM = 36. Donc, 1/4 + 1/9 = 9/36 + 4/36 = 13/36. 27. 1/4 + 1/10 =
Réponse: 7/20PPCM = 20. Donc, 1/4 + 1/10 = 5/20 + 2/20 = 7/20. 28. 1/4 + 1/11 =
Réponse: 15/44PPCM = 44. Donc, 1/4 + 1/11 = 11/44 + 4/44 = 15/44. 29. 1/4 + 1/12 =
Réponse: 1/3PPCM = 12. Donc, 1/4 + 1/12 = 3/12 + 1/12 = 4/12 = 1/3. 30. 1/5 + 1/5 =
Réponse: 2/5PPCM = 5. Donc, 1/5 + 1/5 = 2/5. 31. 1/5 + 1/6 =
Réponse: 11/30PPCM = 30. Donc, 1/5 + 1/6 = 6/30 + 5/30 = 11/30. 32. 1/5 + 1/7 =
Réponse: 12/35PPCM = 35. Donc, 1/5 + 1/7 = 7/35 + 5/35 = 12/35. 33. 1/5 + 1/8 =
Réponse: 13/40PPCM = 40. Donc, 1/5 + 1/8 = 8/40 + 5/40 = 13/40. 34. 1/5 + 1/9 =
Réponse: 14/45PPCM = 45. Donc, 1/5 + 1/9 = 9/45 + 5/45 = 14/45. 35. 1/5 + 1/10 =
Réponse: 3/10PPCM = 10. Donc, 1/5 + 1/10 = 2/10 + 1/10 = 3/10. 36. 1/5 + 1/11 =
Réponse: 16/55PPCM = 55. Donc, 1/5 + 1/11 = 11/55 + 5/55 = 16/55. 37. 1/5 + 1/12 =
Réponse: 17/60PPCM = 60. Donc, 1/5 + 1/12 = 12/60 + 5/60 = 17/60. 38. 1/6 + 1/6 =
Réponse: 1/3PPCM = 6. Donc, 1/6 + 1/6 = 2/6 = 1/3. 39. 1/6 + 1/7 =
Réponse: 13/42PPCM = 42. Donc, 1/6 + 1/7 = 7/42 + 6/42 = 13/42. 40. 1/6 + 1/8 =
Réponse: 7/24PPCM = 24. Donc, 1/6 + 1/8 = 4/24 + 3/24 = 7/24. 41. 1/6 + 1/9 =
Réponse: 5/18PPCM = 18. Donc, 1/6 + 1/9 = 3/18 + 2/18 = 5/18. 42. 1/6 + 1/10 =
Réponse: 4/15PPCM = 30. Donc, 1/6 + 1/10 = 5/30 + 3/30 = 8/30 = 4/15. 43. 1/6 + 1/11 =
Réponse: 17/66PPCM = 66. Donc, 1/6 + 1/11 = 11/66 + 6/66 = 17/66. 44. 1/6 + 1/12 =
Réponse: 1/4PPCM = 12. Donc, 1/6 + 1/12 = 2/12 + 1/12 = 3/12 = 1/4. 45. 1/7 + 1/7 =
Réponse: 2/7PPCM = 7. Donc, 1/7 + 1/7 = 2/7. 46. 1/7 + 1/8 =
Réponse: 15/56PPCM = 56. Donc, 1/7 + 1/8 = 8/56 + 7/56 = 15/56. 47. 1/7 + 1/9 =
Réponse: 16/63PPCM = 63. Donc, 1/7 + 1/9 = 9/63 + 7/63 = 16/63. 48. 1/7 + 1/10 =
Réponse: 17/70PPCM = 70. Donc, 1/7 + 1/10 = 10/70 + 7/70 = 17/70. 49. 1/7 + 1/11 =
Réponse: 18/77PPCM = 77. Donc, 1/7 + 1/11 = 11/77 + 7/77 = 18/77. 50. 1/7 + 1/12 =
Réponse: 19/84PPCM = 84. Donc, 1/7 + 1/12 = 12/84 + 7/84 = 19/84. 51. 1/8 + 1/8 =
Réponse: 1/4PPCM = 8. Donc, 1/8 + 1/8 = 2/8 = 1/4. 52. 1/8 + 1/9 =
Réponse: 17/72PPCM = 72. Donc, 1/8 + 1/9 = 9/72 + 8/72 = 17/72. 53. 1/8 + 1/10 =
Réponse: 9/40PPCM = 40. Donc, 1/8 + 1/10 = 5/40 + 4/40 = 9/40. 54. 1/8 + 1/11 =
Réponse: 19/88PPCM = 88. Donc, 1/8 + 1/11 = 11/88 + 8/88 = 19/88. 55. 1/8 + 1/12 =
Réponse: 5/24PPCM = 24. Donc, 1/8 + 1/12 = 3/24 + 2/24 = 5/24. 56. 1/9 + 1/9 =
Réponse: 2/9PPCM = 9. Donc, 1/9 + 1/9 = 2/9. 57. 1/9 + 1/10 =
Réponse: 19/90PPCM = 90. Donc, 1/9 + 1/10 = 10/90 + 9/90 = 19/90. 58. 1/9 + 1/11 =
Réponse: 20/99PPCM = 99. Donc, 1/9 + 1/11 = 11/99 + 9/99 = 20/99.
Essayez le Quizz : Addition de Fractions I
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