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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 62 · 40 sums
TalentJR

The trick (Urdhva Tiryagbhyam): Top: multiply crosswise — first top × second bottom, then first bottom × second top — and add (or subtract). Bottom: multiply the two bottoms. Simplify by dividing top and bottom by their HCF. Give the answer as a fraction like 17/12.

NameDateTime takenScore ___ / 40
  1. 1.1/2 + 4/6 =
  2. 2.4/5 + 1/2 =
  3. 3.4/7 − 4/11 =
  4. 4.4/7 − 1/2 =
  5. 5.1/4 + 3/5 =
  6. 6.1/11 + 4/9 =
  7. 7.3/8 + 2/5 =
  8. 8.1/12 + 2/7 =
  9. 9.3/5 + 7/9 =
  10. 10.7/12 + 2/3 =
  11. 11.3/8 + 2/6 =
  12. 12.2/4 + 7/9 =
  13. 13.4/7 − 1/6 =
  14. 14.2/3 + 4/7 =
  15. 15.1/4 + 2/11 =
  16. 16.1/9 + 4/5 =
  17. 17.4/6 + 9/11 =
  18. 18.1/2 − 3/11 =
  19. 19.7/9 − 1/11 =
  20. 20.3/7 + 2/7 =
  21. 21.4/8 − 2/9 =
  22. 22.2/7 + 2/8 =
  23. 23.9/10 + 2/3 =
  24. 24.3/8 + 2/11 =
  25. 25.1/2 − 2/12 =
  26. 26.4/10 − 2/9 =
  27. 27.4/5 − 3/8 =
  28. 28.4/5 − 3/8 =
  29. 29.2/11 + 3/5 =
  30. 30.1/3 + 2/7 =
  31. 31.1/4 + 4/7 =
  32. 32.5/6 − 5/8 =
  33. 33.2/7 + 4/5 =
  34. 34.8/12 + 1/3 =
  35. 35.3/11 − 2/11 =
  36. 36.4/6 − 2/6 =
  37. 37.1/4 + 8/12 =
  38. 38.2/8 + 1/2 =
  39. 39.4/5 + 6/9 =
  40. 40.7/8 − 5/7 =

Answer key

  1. 7/6
  2. 13/10
  3. 16/77
  4. 1/14
  5. 17/20
  6. 53/99
  7. 31/40
  8. 31/84
  9. 62/45
  10. 5/4
  11. 17/24
  12. 23/18
  13. 17/42
  14. 26/21
  15. 19/44
  16. 41/45
  17. 49/33
  18. 5/22
  19. 68/99
  20. 5/7
  21. 5/18
  22. 15/28
  23. 47/30
  24. 49/88
  25. 1/3
  26. 8/45
  27. 17/40
  28. 17/40
  29. 43/55
  30. 13/21
  31. 23/28
  32. 5/24
  33. 38/35
  34. 1
  35. 1/11
  36. 1/3
  37. 11/12
  38. 3/4
  39. 22/15
  40. 9/56

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