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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 64 · 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. 1.6/10 + 1/6 =
  2. 2.2/12 + 4/5 =
  3. 3.3/4 − 1/7 =
  4. 4.9/10 + 1/12 =
  5. 5.1/3 + 2/6 =
  6. 6.2/3 − 2/4 =
  7. 7.2/10 + 4/6 =
  8. 8.2/12 + 1/12 =
  9. 9.1/2 − 2/5 =
  10. 10.5/8 + 2/4 =
  11. 11.1/2 − 1/5 =
  12. 12.1/2 + 1/10 =
  13. 13.2/3 − 5/12 =
  14. 14.4/6 + 2/3 =
  15. 15.3/9 − 1/8 =
  16. 16.4/5 − 4/9 =
  17. 17.7/8 − 1/4 =
  18. 18.3/6 + 4/5 =
  19. 19.7/9 − 5/7 =
  20. 20.7/11 − 1/2 =
  21. 21.2/4 + 1/3 =
  22. 22.1/3 + 4/12 =
  23. 23.2/10 + 1/4 =
  24. 24.3/7 + 6/11 =
  25. 25.5/7 − 1/10 =
  26. 26.8/11 + 1/2 =
  27. 27.5/12 + 1/3 =
  28. 28.2/4 + 5/10 =
  29. 29.1/5 + 10/11 =
  30. 30.3/6 + 1/2 =
  31. 31.6/9 + 2/7 =
  32. 32.4/8 + 1/10 =
  33. 33.1/7 + 4/12 =
  34. 34.1/2 + 3/4 =
  35. 35.3/8 + 2/8 =
  36. 36.1/3 + 1/7 =
  37. 37.11/12 + 2/5 =
  38. 38.3/11 + 1/5 =
  39. 39.1/12 + 4/8 =
  40. 40.2/10 + 1/8 =

Answer key

  1. 23/30
  2. 29/30
  3. 17/28
  4. 59/60
  5. 2/3
  6. 1/6
  7. 13/15
  8. 1/4
  9. 1/10
  10. 9/8
  11. 3/10
  12. 3/5
  13. 1/4
  14. 4/3
  15. 5/24
  16. 16/45
  17. 5/8
  18. 13/10
  19. 4/63
  20. 3/22
  21. 5/6
  22. 2/3
  23. 9/20
  24. 75/77
  25. 43/70
  26. 27/22
  27. 3/4
  28. 1
  29. 61/55
  30. 1
  31. 20/21
  32. 3/5
  33. 10/21
  34. 5/4
  35. 5/8
  36. 10/21
  37. 79/60
  38. 26/55
  39. 7/12
  40. 13/40

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