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