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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 960 · 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. 1.6/7 − 4/10 =
  2. 2.2/5 + 2/3 =
  3. 3.1/5 + 9/12 =
  4. 4.2/4 + 1/10 =
  5. 5.2/9 + 9/11 =
  6. 6.6/11 − 1/3 =
  7. 7.2/9 + 10/11 =
  8. 8.7/9 − 3/6 =
  9. 9.2/11 + 1/12 =
  10. 10.1/2 + 7/8 =
  11. 11.5/11 − 4/10 =
  12. 12.1/2 − 3/12 =
  13. 13.1/3 − 3/11 =
  14. 14.10/12 − 1/2 =
  15. 15.6/7 + 2/3 =
  16. 16.10/12 + 1/3 =
  17. 17.8/9 − 2/4 =
  18. 18.3/6 − 1/3 =
  19. 19.6/12 + 2/3 =
  20. 20.1/2 + 3/5 =
  21. 21.11/12 + 1/4 =
  22. 22.8/12 + 3/5 =
  23. 23.7/12 − 1/5 =
  24. 24.1/2 + 3/5 =
  25. 25.1/5 + 8/11 =
  26. 26.7/12 + 4/7 =
  27. 27.1/3 + 2/3 =
  28. 28.1/10 + 3/7 =
  29. 29.3/5 − 1/2 =
  30. 30.3/9 + 1/7 =
  31. 31.3/6 − 1/10 =
  32. 32.3/8 − 2/12 =
  33. 33.3/4 + 1/12 =
  34. 34.6/7 − 5/6 =
  35. 35.4/5 − 4/9 =
  36. 36.2/4 − 1/12 =
  37. 37.2/3 + 4/6 =
  38. 38.2/4 − 1/5 =
  39. 39.8/11 + 3/5 =
  40. 40.2/11 + 8/11 =

Answer key

  1. 16/35
  2. 16/15
  3. 19/20
  4. 3/5
  5. 103/99
  6. 7/33
  7. 112/99
  8. 5/18
  9. 35/132
  10. 11/8
  11. 3/55
  12. 1/4
  13. 2/33
  14. 1/3
  15. 32/21
  16. 7/6
  17. 7/18
  18. 1/6
  19. 7/6
  20. 11/10
  21. 7/6
  22. 19/15
  23. 23/60
  24. 11/10
  25. 51/55
  26. 97/84
  27. 1
  28. 37/70
  29. 1/10
  30. 10/21
  31. 2/5
  32. 5/24
  33. 5/6
  34. 1/42
  35. 16/45
  36. 5/12
  37. 4/3
  38. 3/10
  39. 73/55
  40. 10/11

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