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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 535 · 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. 1.7/9 − 1/4 =
  2. 2.3/11 + 2/3 =
  3. 3.2/4 − 1/4 =
  4. 4.1/3 − 2/8 =
  5. 5.8/10 − 5/12 =
  6. 6.3/8 + 1/3 =
  7. 7.2/5 + 6/7 =
  8. 8.4/6 + 1/2 =
  9. 9.1/2 − 3/8 =
  10. 10.9/11 − 2/9 =
  11. 11.6/11 + 1/3 =
  12. 12.5/8 − 1/5 =
  13. 13.2/3 + 1/2 =
  14. 14.5/10 − 3/11 =
  15. 15.2/6 + 5/10 =
  16. 16.2/3 + 1/5 =
  17. 17.2/9 + 1/7 =
  18. 18.2/5 − 1/4 =
  19. 19.3/5 + 10/12 =
  20. 20.3/7 + 2/4 =
  21. 21.7/10 − 2/7 =
  22. 22.6/9 + 2/3 =
  23. 23.3/5 − 1/3 =
  24. 24.1/2 + 2/6 =
  25. 25.2/7 + 2/9 =
  26. 26.1/2 − 1/4 =
  27. 27.6/11 + 3/11 =
  28. 28.6/7 + 5/9 =
  29. 29.2/3 − 1/7 =
  30. 30.5/10 + 1/2 =
  31. 31.2/6 + 1/2 =
  32. 32.1/6 + 2/11 =
  33. 33.1/8 + 3/6 =
  34. 34.2/3 − 1/2 =
  35. 35.1/4 + 2/6 =
  36. 36.1/3 + 1/2 =
  37. 37.8/12 − 2/11 =
  38. 38.7/10 + 1/2 =
  39. 39.2/9 + 1/7 =
  40. 40.4/7 + 9/10 =

Answer key

  1. 19/36
  2. 31/33
  3. 1/4
  4. 1/12
  5. 23/60
  6. 17/24
  7. 44/35
  8. 7/6
  9. 1/8
  10. 59/99
  11. 29/33
  12. 17/40
  13. 7/6
  14. 5/22
  15. 5/6
  16. 13/15
  17. 23/63
  18. 3/20
  19. 43/30
  20. 13/14
  21. 29/70
  22. 4/3
  23. 4/15
  24. 5/6
  25. 32/63
  26. 1/4
  27. 9/11
  28. 89/63
  29. 11/21
  30. 1
  31. 5/6
  32. 23/66
  33. 5/8
  34. 1/6
  35. 7/12
  36. 5/6
  37. 16/33
  38. 6/5
  39. 23/63
  40. 103/70

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