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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 586 · 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. 1.8/12 + 6/7 =
  2. 2.5/6 − 1/2 =
  3. 3.3/6 − 1/3 =
  4. 4.3/4 − 1/2 =
  5. 5.2/4 + 1/7 =
  6. 6.1/5 + 5/10 =
  7. 7.6/8 − 1/2 =
  8. 8.2/3 − 1/3 =
  9. 9.5/9 − 1/2 =
  10. 10.8/9 − 1/4 =
  11. 11.2/4 + 3/4 =
  12. 12.7/8 + 3/12 =
  13. 13.7/11 + 7/11 =
  14. 14.1/3 + 5/8 =
  15. 15.1/8 + 3/8 =
  16. 16.10/12 + 3/7 =
  17. 17.1/4 + 1/5 =
  18. 18.2/4 − 2/9 =
  19. 19.1/2 − 4/10 =
  20. 20.2/12 + 3/7 =
  21. 21.4/5 − 1/2 =
  22. 22.7/9 − 1/5 =
  23. 23.3/7 + 5/11 =
  24. 24.1/3 + 2/3 =
  25. 25.4/6 + 2/3 =
  26. 26.7/12 − 4/10 =
  27. 27.4/7 + 4/6 =
  28. 28.1/3 + 7/12 =
  29. 29.3/6 − 2/5 =
  30. 30.3/4 + 9/12 =
  31. 31.1/5 + 1/2 =
  32. 32.2/5 + 4/5 =
  33. 33.2/5 + 8/12 =
  34. 34.4/8 + 1/5 =
  35. 35.4/5 + 4/6 =
  36. 36.7/11 − 4/8 =
  37. 37.7/12 − 1/5 =
  38. 38.5/12 + 2/3 =
  39. 39.3/4 + 1/2 =
  40. 40.5/7 − 1/2 =

Answer key

  1. 32/21
  2. 1/3
  3. 1/6
  4. 1/4
  5. 9/14
  6. 7/10
  7. 1/4
  8. 1/3
  9. 1/18
  10. 23/36
  11. 5/4
  12. 9/8
  13. 14/11
  14. 23/24
  15. 1/2
  16. 53/42
  17. 9/20
  18. 5/18
  19. 1/10
  20. 25/42
  21. 3/10
  22. 26/45
  23. 68/77
  24. 1
  25. 4/3
  26. 11/60
  27. 26/21
  28. 11/12
  29. 1/10
  30. 3/2
  31. 7/10
  32. 6/5
  33. 16/15
  34. 7/10
  35. 22/15
  36. 3/22
  37. 23/60
  38. 13/12
  39. 5/4
  40. 3/14

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