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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 774 · 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. 1.3/4 + 3/5 =
  2. 2.1/2 − 1/8 =
  3. 3.5/8 − 1/2 =
  4. 4.3/7 − 1/4 =
  5. 5.5/11 + 1/3 =
  6. 6.2/4 + 5/8 =
  7. 7.1/2 + 9/12 =
  8. 8.2/5 + 1/4 =
  9. 9.1/2 + 7/10 =
  10. 10.2/3 − 2/4 =
  11. 11.2/6 + 4/6 =
  12. 12.2/5 + 7/12 =
  13. 13.6/10 − 2/8 =
  14. 14.4/6 + 4/11 =
  15. 15.2/5 − 1/4 =
  16. 16.1/3 + 1/3 =
  17. 17.11/12 − 1/2 =
  18. 18.3/9 + 2/11 =
  19. 19.1/5 − 2/12 =
  20. 20.2/3 + 1/2 =
  21. 21.3/6 + 10/11 =
  22. 22.1/9 + 8/9 =
  23. 23.1/6 + 6/12 =
  24. 24.10/11 − 9/10 =
  25. 25.11/12 + 8/10 =
  26. 26.4/5 − 2/4 =
  27. 27.1/3 + 3/5 =
  28. 28.1/2 + 2/12 =
  29. 29.9/10 − 1/2 =
  30. 30.2/4 − 1/5 =
  31. 31.2/3 − 5/12 =
  32. 32.3/5 + 4/11 =
  33. 33.3/8 + 6/12 =
  34. 34.1/2 − 5/11 =
  35. 35.7/9 − 1/6 =
  36. 36.1/2 − 1/4 =
  37. 37.4/8 + 9/11 =
  38. 38.2/5 − 1/8 =
  39. 39.6/9 − 2/4 =
  40. 40.1/10 + 5/6 =

Answer key

  1. 27/20
  2. 3/8
  3. 1/8
  4. 5/28
  5. 26/33
  6. 9/8
  7. 5/4
  8. 13/20
  9. 6/5
  10. 1/6
  11. 1
  12. 59/60
  13. 7/20
  14. 34/33
  15. 3/20
  16. 2/3
  17. 5/12
  18. 17/33
  19. 1/30
  20. 7/6
  21. 31/22
  22. 1
  23. 2/3
  24. 1/110
  25. 103/60
  26. 3/10
  27. 14/15
  28. 2/3
  29. 2/5
  30. 3/10
  31. 1/4
  32. 53/55
  33. 7/8
  34. 1/22
  35. 11/18
  36. 1/4
  37. 29/22
  38. 11/40
  39. 1/6
  40. 14/15

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