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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 140 · 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. 1.7/11 − 3/6 =
  2. 2.1/2 − 1/6 =
  3. 3.3/5 + 2/3 =
  4. 4.10/12 + 7/8 =
  5. 5.2/8 + 1/5 =
  6. 6.5/7 − 8/12 =
  7. 7.2/6 + 1/5 =
  8. 8.1/2 + 7/9 =
  9. 9.3/5 + 8/11 =
  10. 10.1/7 + 2/4 =
  11. 11.6/7 − 3/9 =
  12. 12.1/2 + 4/6 =
  13. 13.6/9 + 6/8 =
  14. 14.7/11 + 1/2 =
  15. 15.3/4 − 1/5 =
  16. 16.4/6 + 7/9 =
  17. 17.2/6 − 1/6 =
  18. 18.8/9 + 2/4 =
  19. 19.6/9 + 1/2 =
  20. 20.8/9 − 7/12 =
  21. 21.5/12 + 11/12 =
  22. 22.1/5 − 2/12 =
  23. 23.2/4 − 1/10 =
  24. 24.1/10 + 5/9 =
  25. 25.2/8 + 7/11 =
  26. 26.2/3 + 3/5 =
  27. 27.2/10 + 3/4 =
  28. 28.5/6 − 2/4 =
  29. 29.1/12 + 7/9 =
  30. 30.5/7 − 1/10 =
  31. 31.3/8 + 1/2 =
  32. 32.1/10 + 3/9 =
  33. 33.2/8 − 1/5 =
  34. 34.3/8 + 2/3 =
  35. 35.5/7 + 9/10 =
  36. 36.1/2 + 3/11 =
  37. 37.3/6 + 1/2 =
  38. 38.2/3 − 3/6 =
  39. 39.4/8 + 2/10 =
  40. 40.2/7 + 4/10 =

Answer key

  1. 3/22
  2. 1/3
  3. 19/15
  4. 41/24
  5. 9/20
  6. 1/21
  7. 8/15
  8. 23/18
  9. 73/55
  10. 9/14
  11. 11/21
  12. 7/6
  13. 17/12
  14. 25/22
  15. 11/20
  16. 13/9
  17. 1/6
  18. 25/18
  19. 7/6
  20. 11/36
  21. 4/3
  22. 1/30
  23. 2/5
  24. 59/90
  25. 39/44
  26. 19/15
  27. 19/20
  28. 1/3
  29. 31/36
  30. 43/70
  31. 7/8
  32. 13/30
  33. 1/20
  34. 25/24
  35. 113/70
  36. 17/22
  37. 1
  38. 1/6
  39. 7/10
  40. 24/35

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