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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 557 · 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. 1.1/4 + 6/12 =
  2. 2.1/4 + 4/12 =
  3. 3.1/10 + 3/4 =
  4. 4.1/9 + 2/4 =
  5. 5.9/10 + 1/4 =
  6. 6.1/6 − 1/7 =
  7. 7.1/8 + 5/9 =
  8. 8.1/3 + 1/3 =
  9. 9.7/8 − 6/8 =
  10. 10.11/12 + 5/9 =
  11. 11.1/3 + 1/2 =
  12. 12.1/2 + 3/5 =
  13. 13.1/5 − 1/9 =
  14. 14.7/10 + 3/7 =
  15. 15.3/4 − 1/4 =
  16. 16.4/5 − 1/4 =
  17. 17.1/2 + 4/8 =
  18. 18.2/3 + 5/6 =
  19. 19.1/5 + 3/6 =
  20. 20.1/12 + 6/8 =
  21. 21.4/8 − 1/5 =
  22. 22.6/7 − 1/10 =
  23. 23.8/10 + 2/6 =
  24. 24.6/7 − 1/10 =
  25. 25.1/3 + 4/6 =
  26. 26.9/10 − 5/6 =
  27. 27.7/8 − 7/12 =
  28. 28.10/11 + 4/5 =
  29. 29.2/8 − 1/6 =
  30. 30.4/7 + 3/8 =
  31. 31.1/2 + 1/5 =
  32. 32.5/8 + 2/5 =
  33. 33.1/4 + 3/6 =
  34. 34.5/8 + 1/2 =
  35. 35.11/12 + 1/9 =
  36. 36.10/11 + 5/7 =
  37. 37.1/2 + 1/2 =
  38. 38.1/7 + 2/3 =
  39. 39.1/12 + 3/6 =
  40. 40.3/11 + 1/2 =

Answer key

  1. 3/4
  2. 7/12
  3. 17/20
  4. 11/18
  5. 23/20
  6. 1/42
  7. 49/72
  8. 2/3
  9. 1/8
  10. 53/36
  11. 5/6
  12. 11/10
  13. 4/45
  14. 79/70
  15. 1/2
  16. 11/20
  17. 1
  18. 3/2
  19. 7/10
  20. 5/6
  21. 3/10
  22. 53/70
  23. 17/15
  24. 53/70
  25. 1
  26. 1/15
  27. 7/24
  28. 94/55
  29. 1/12
  30. 53/56
  31. 7/10
  32. 41/40
  33. 3/4
  34. 9/8
  35. 37/36
  36. 125/77
  37. 1
  38. 17/21
  39. 7/12
  40. 17/22

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