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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 817 · 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. 1.5/6 − 1/2 =
  2. 2.1/2 − 1/4 =
  3. 3.3/5 + 3/9 =
  4. 4.2/3 + 1/2 =
  5. 5.5/10 + 3/4 =
  6. 6.4/12 + 6/10 =
  7. 7.6/7 + 3/4 =
  8. 8.3/4 + 5/12 =
  9. 9.4/8 + 2/6 =
  10. 10.7/8 + 7/8 =
  11. 11.4/11 + 4/6 =
  12. 12.6/9 + 6/7 =
  13. 13.5/7 − 2/5 =
  14. 14.5/6 + 6/9 =
  15. 15.2/3 − 1/12 =
  16. 16.4/5 + 1/3 =
  17. 17.10/12 + 3/5 =
  18. 18.1/4 + 1/4 =
  19. 19.6/10 − 4/7 =
  20. 20.4/11 + 1/12 =
  21. 21.2/12 + 2/3 =
  22. 22.8/11 + 1/4 =
  23. 23.7/8 + 1/4 =
  24. 24.7/12 + 5/7 =
  25. 25.2/3 − 2/6 =
  26. 26.1/2 + 1/5 =
  27. 27.2/5 − 2/6 =
  28. 28.1/6 + 4/10 =
  29. 29.1/2 − 1/7 =
  30. 30.5/7 − 2/5 =
  31. 31.4/7 + 1/3 =
  32. 32.2/4 + 2/3 =
  33. 33.8/10 − 2/3 =
  34. 34.1/3 − 1/9 =
  35. 35.9/12 − 7/10 =
  36. 36.2/5 + 4/5 =
  37. 37.1/2 − 1/4 =
  38. 38.7/10 + 4/10 =
  39. 39.4/6 + 6/9 =
  40. 40.1/2 + 10/11 =

Answer key

  1. 1/3
  2. 1/4
  3. 14/15
  4. 7/6
  5. 5/4
  6. 14/15
  7. 45/28
  8. 7/6
  9. 5/6
  10. 7/4
  11. 34/33
  12. 32/21
  13. 11/35
  14. 3/2
  15. 7/12
  16. 17/15
  17. 43/30
  18. 1/2
  19. 1/35
  20. 59/132
  21. 5/6
  22. 43/44
  23. 9/8
  24. 109/84
  25. 1/3
  26. 7/10
  27. 1/15
  28. 17/30
  29. 5/14
  30. 11/35
  31. 19/21
  32. 7/6
  33. 2/15
  34. 2/9
  35. 1/20
  36. 6/5
  37. 1/4
  38. 11/10
  39. 4/3
  40. 31/22

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