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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 923 · 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 − 3/12 =
  2. 2.9/12 − 2/3 =
  3. 3.7/9 + 1/2 =
  4. 4.4/10 + 6/12 =
  5. 5.1/2 − 1/3 =
  6. 6.1/2 − 2/5 =
  7. 7.6/10 − 3/9 =
  8. 8.1/2 − 1/4 =
  9. 9.6/10 + 5/8 =
  10. 10.1/8 + 1/4 =
  11. 11.3/8 + 3/6 =
  12. 12.1/2 − 1/12 =
  13. 13.3/9 + 1/4 =
  14. 14.2/3 − 1/5 =
  15. 15.10/12 − 6/11 =
  16. 16.9/10 − 2/4 =
  17. 17.2/5 + 2/4 =
  18. 18.1/4 + 1/2 =
  19. 19.5/12 + 1/6 =
  20. 20.8/12 + 7/10 =
  21. 21.2/4 + 2/10 =
  22. 22.1/7 − 1/10 =
  23. 23.2/3 + 2/3 =
  24. 24.4/11 − 3/12 =
  25. 25.6/7 − 2/5 =
  26. 26.2/7 − 1/6 =
  27. 27.7/8 − 1/2 =
  28. 28.2/4 + 9/11 =
  29. 29.9/11 + 4/9 =
  30. 30.4/6 + 2/12 =
  31. 31.7/9 − 1/2 =
  32. 32.4/8 − 2/5 =
  33. 33.2/7 − 1/10 =
  34. 34.1/4 + 2/5 =
  35. 35.5/6 + 1/5 =
  36. 36.4/8 + 1/2 =
  37. 37.1/6 + 3/4 =
  38. 38.2/9 + 3/6 =
  39. 39.6/8 + 2/4 =
  40. 40.1/2 − 2/5 =

Answer key

  1. 1/2
  2. 1/12
  3. 23/18
  4. 9/10
  5. 1/6
  6. 1/10
  7. 4/15
  8. 1/4
  9. 49/40
  10. 3/8
  11. 7/8
  12. 5/12
  13. 7/12
  14. 7/15
  15. 19/66
  16. 2/5
  17. 9/10
  18. 3/4
  19. 7/12
  20. 41/30
  21. 7/10
  22. 3/70
  23. 4/3
  24. 5/44
  25. 16/35
  26. 5/42
  27. 3/8
  28. 29/22
  29. 125/99
  30. 5/6
  31. 5/18
  32. 1/10
  33. 13/70
  34. 13/20
  35. 31/30
  36. 1
  37. 11/12
  38. 13/18
  39. 5/4
  40. 1/10

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