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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 52 · 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. 1.9/11 − 3/4 =
  2. 2.3/4 − 5/9 =
  3. 3.1/12 + 8/10 =
  4. 4.4/6 + 5/8 =
  5. 5.1/2 + 5/6 =
  6. 6.1/6 + 3/4 =
  7. 7.7/12 − 1/5 =
  8. 8.2/4 + 2/3 =
  9. 9.2/3 + 1/2 =
  10. 10.1/2 − 2/5 =
  11. 11.5/7 − 2/3 =
  12. 12.2/8 + 3/8 =
  13. 13.4/8 + 1/2 =
  14. 14.8/9 − 10/12 =
  15. 15.5/6 + 3/5 =
  16. 16.1/2 + 2/3 =
  17. 17.1/6 + 2/3 =
  18. 18.5/11 + 1/2 =
  19. 19.8/9 + 3/8 =
  20. 20.1/5 + 3/12 =
  21. 21.1/5 + 1/2 =
  22. 22.9/12 − 1/6 =
  23. 23.9/11 + 2/5 =
  24. 24.2/8 + 5/11 =
  25. 25.3/9 + 2/10 =
  26. 26.8/10 + 3/11 =
  27. 27.2/5 + 1/2 =
  28. 28.5/12 + 1/5 =
  29. 29.1/2 + 1/4 =
  30. 30.1/2 + 1/3 =
  31. 31.1/4 + 3/11 =
  32. 32.5/9 − 1/3 =
  33. 33.6/7 − 2/12 =
  34. 34.5/12 + 3/4 =
  35. 35.3/6 − 1/3 =
  36. 36.2/5 + 3/4 =
  37. 37.2/4 + 1/10 =
  38. 38.1/6 − 1/12 =
  39. 39.2/6 + 2/3 =
  40. 40.3/12 + 2/3 =

Answer key

  1. 3/44
  2. 7/36
  3. 53/60
  4. 31/24
  5. 4/3
  6. 11/12
  7. 23/60
  8. 7/6
  9. 7/6
  10. 1/10
  11. 1/21
  12. 5/8
  13. 1
  14. 1/18
  15. 43/30
  16. 7/6
  17. 5/6
  18. 21/22
  19. 91/72
  20. 9/20
  21. 7/10
  22. 7/12
  23. 67/55
  24. 31/44
  25. 8/15
  26. 59/55
  27. 9/10
  28. 37/60
  29. 3/4
  30. 5/6
  31. 23/44
  32. 2/9
  33. 29/42
  34. 7/6
  35. 1/6
  36. 23/20
  37. 3/5
  38. 1/12
  39. 1
  40. 11/12

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