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1. 2/3 - 1/2 =
Answer: 1/6LCM = 6. So, 2/3 - 1/2 = 4/6 - 3/6 = 1/6. 2. 3/4 - 1/2 =
Answer: 1/4LCM = 4. So, 3/4 - 1/2 = 3/4 - 2/4 = 1/4. 3. 4/5 - 1/2 =
Answer: 3/10LCM = 10. So, 4/5 - 1/2 = 8/10 - 5/10 = 3/10.
4. 5/6 - 1/2 =
Answer: 1/3LCM = 6. So, 5/6 - 1/2 = 5/6 - 3/6 = 2/6 = 1/3. 5. 6/7 - 1/2 =
Answer: 5/14LCM = 14. So, 6/7 - 1/2 = 12/14 - 7/14 = 5/14. 6. 7/8 - 1/2 =
Answer: 3/8LCM = 8. So, 7/8 - 1/2 = 7/8 - 4/8 = 3/8. 7. 8/9 - 1/2 =
Answer: 7/18LCM = 18. So, 8/9 - 1/2 = 16/18 - 9/18 = 7/18. 8. 9/10 - 1/2 =
Answer: 2/5LCM = 10. So, 9/10 - 1/2 = 9/10 - 5/10 = 4/10 = 2/5. 9. 10/11 - 1/2 =
Answer: 9/22LCM = 22. So, 10/11 - 1/2 = 20/22 - 11/22 = 9/22. 10. 11/12 - 1/2 =
Answer: 5/12LCM = 12. So, 11/12 - 1/2 = 11/12 - 6/12 = 5/12. 11. 2/3 - 1/4 =
Answer: 5/12LCM = 12. So, 2/3 - 1/4 = 8/12 - 3/12 = 5/12. 12. 2/3 - 2/5 =
Answer: 4/15LCM = 15. So, 2/3 - 2/5 = 10/15 - 6/15 = 4/15. 13. 2/3 - 1/6 =
Answer: 1/2LCM = 6. So, 2/3 - 1/6 = 4/6 - 1/6 = 3/6 = 1/2. 14. 1/3 - 2/7 =
Answer: 1/21LCM = 21. So, 1/3 - 2/7 = 7/21 - 6/21 = 1/21. 15. 2/3 - 3/8 =
Answer: 7/24LCM = 24. So, 2/3 - 3/8 = 16/24 - 9/24 = 7/24. 16. 2/3 - 4/9 =
Answer: 2/9LCM = 9. So, 2/3 - 4/9 = 6/9 - 4/9 = 2/9. 17. 1/3 - 3/10 =
Answer: 1/30LCM = 30. So, 1/3 - 3/10 = 10/30 - 9/30 = 1/30. 18. 2/3 - 5/11 =
Answer: 7/33LCM = 33. So, 2/3 - 5/11 = 22/33 - 15/33 = 7/33. 19. 2/3 - 7/12 =
Answer: 1/12LCM = 12. So, 2/3 - 7/12 = 8/12 - 7/12 = 1/12. 20. 3/4 - 2/5 =
Answer: 7/20LCM = 20. So, 3/4 - 2/5 = 15/20 - 8/20 = 7/20. 21. 3/4 - 1/6 =
Answer: 7/12LCM = 12. So, 3/4 - 1/6 = 9/12 - 2/12 = 7/12. 22. 3/4 - 5/7 =
Answer: 1/28LCM = 28. So, 3/4 - 5/7 = 21/28 - 20/28 = 1/28. 23. 3/4 - 5/8 =
Answer: 1/8LCM = 8. So, 3/4 - 5/8 = 6/8 - 5/8 = 1/8. 24. 3/4 - 5/9 =
Answer: 7/36LCM = 36. So, 3/4 - 5/9 = 27/36 - 20/36 = 7/36. 25. 3/4 - 7/10 =
Answer: 1/20LCM = 20. So, 3/4 - 7/10 = 15/20 - 14/20 = 1/20. 26. 1/4 - 2/11 =
Answer: 3/44LCM = 44. So, 1/4 - 2/11 = 11/44 - 8/44 = 3/44. 27. 3/4 - 5/12 =
Answer: 1/3LCM = 12. So, 3/4 - 5/12 = 9/12 - 5/12 = 4/12 = 1/3. 28. 4/5 - 1/6 =
Answer: 19/30LCM = 30. So, 4/5 - 1/6 = 24/30 - 5/30 = 19/30. 29. 3/5 - 2/7 =
Answer: 11/35LCM = 35. So, 3/5 - 2/7 = 21/35 - 10/35 = 11/35. 30. 4/5 - 5/8 =
Answer: 7/40LCM = 40. So, 4/5 - 5/8 = 32/40 - 25/40 = 7/40. 31. 3/5 - 5/9 =
Answer: 2/45LCM = 45. So, 3/5 - 5/9 = 27/45 - 25/45 = 2/45. 32. 2/5 - 3/10 =
Answer: 1/10LCM = 10. So, 2/5 - 3/10 = 4/10 - 3/10 = 1/10. 33. 4/5 - 7/11 =
Answer: 9/55LCM = 55. So, 4/5 - 7/11 = 44/55 - 35/55 = 9/55. 34. 3/5 - 7/12 =
Answer: 1/60LCM = 60. So, 3/5 - 7/12 = 36/60 - 35/60 = 1/60. 35. 5/6 - 5/7 =
Answer: 5/42LCM = 42. So, 5/6 - 5/7 = 35/42 - 30/42 = 5/42. 36. 5/6 - 3/8 =
Answer: 11/24LCM = 24. So, 5/6 - 3/8 = 20/24 - 9/24 = 11/24. 37. 5/6 - 7/9 =
Answer: 1/18LCM = 18. So, 5/6 - 7/9 = 15/18 - 14/18 = 1/18. 38. 5/6 - 7/10 =
Answer: 2/15LCM = 30. So, 5/6 - 7/10 = 25/30 - 21/30 = 4/30 = 2/15. 39. 5/6 - 8/11 =
Answer: 7/66LCM = 66. So, 5/6 - 8/11 = 55/66 - 48/66 = 7/66. 40. 5/6 - 7/12 =
Answer: 1/4LCM = 12. So, 5/6 - 7/12 = 10/12 - 7/12 = 3/12 = 1/4. 41. 6/7 - 5/8 =
Answer: 13/56LCM = 56. So, 6/7 - 5/8 = 48/56 - 35/56 = 13/56. 42. 5/7 - 5/9 =
Answer: 10/63LCM = 63. So, 5/7 - 5/9 = 45/63 - 35/63 = 10/63. 43. 4/7 - 3/10 =
Answer: 19/70LCM = 70. So, 4/7 - 3/10 = 40/70 - 21/70 = 19/70. 44. 3/7 - 3/11 =
Answer: 12/77LCM = 77. So, 3/7 - 3/11 = 33/77 - 21/77 = 12/77. 45. 2/7 - 1/12 =
Answer: 17/84LCM = 84. So, 2/7 - 1/12 = 24/84 - 7/84 = 17/84. 46. 7/8 - 5/9 =
Answer: 23/72LCM = 72. So, 7/8 - 5/9 = 63/72 - 40/72 = 23/72. 47. 5/8 - 3/10 =
Answer: 13/40LCM = 40. So, 5/8 - 3/10 = 25/40 - 12/40 = 13/40. 48. 3/8 - 2/11 =
Answer: 17/88LCM = 88. So, 3/8 - 2/11 = 33/88 - 16/88 = 17/88. 49. 7/8 - 7/12 =
Answer: 7/24LCM = 24. So, 7/8 - 7/12 = 21/24 - 14/24 = 7/24. 50. 8/9 - 7/10 =
Answer: 17/90LCM = 90. So, 8/9 - 7/10 = 80/90 - 63/90 = 17/90. 51. 7/9 - 6/11 =
Answer: 23/99LCM = 99. So, 7/9 - 6/11 = 77/99 - 54/99 = 23/99.
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