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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 556 · 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. 1.1/5 − 1/7 =
  2. 2.5/6 − 4/5 =
  3. 3.2/12 + 3/5 =
  4. 4.5/9 − 6/11 =
  5. 5.5/6 + 1/2 =
  6. 6.3/6 + 1/2 =
  7. 7.4/9 + 8/9 =
  8. 8.3/4 + 1/2 =
  9. 9.6/12 − 1/4 =
  10. 10.4/7 − 2/4 =
  11. 11.8/9 + 5/8 =
  12. 12.1/2 + 1/8 =
  13. 13.2/3 + 3/5 =
  14. 14.6/9 + 2/4 =
  15. 15.4/12 + 2/12 =
  16. 16.3/4 + 3/4 =
  17. 17.1/10 + 2/8 =
  18. 18.3/10 + 4/5 =
  19. 19.1/6 + 4/7 =
  20. 20.5/10 − 1/5 =
  21. 21.5/6 + 2/4 =
  22. 22.5/10 + 5/8 =
  23. 23.7/8 − 2/4 =
  24. 24.3/7 + 7/12 =
  25. 25.1/2 − 1/3 =
  26. 26.6/11 − 1/2 =
  27. 27.2/3 − 2/6 =
  28. 28.1/2 + 5/8 =
  29. 29.3/4 − 1/4 =
  30. 30.7/9 + 3/12 =
  31. 31.5/6 + 4/6 =
  32. 32.1/2 + 4/8 =
  33. 33.2/4 − 1/6 =
  34. 34.3/4 − 1/3 =
  35. 35.6/8 + 6/12 =
  36. 36.3/4 − 7/10 =
  37. 37.2/5 + 1/3 =
  38. 38.9/10 + 4/11 =
  39. 39.3/6 − 1/7 =
  40. 40.1/2 − 1/4 =

Answer key

  1. 2/35
  2. 1/30
  3. 23/30
  4. 1/99
  5. 4/3
  6. 1
  7. 4/3
  8. 5/4
  9. 1/4
  10. 1/14
  11. 109/72
  12. 5/8
  13. 19/15
  14. 7/6
  15. 1/2
  16. 3/2
  17. 7/20
  18. 11/10
  19. 31/42
  20. 3/10
  21. 4/3
  22. 9/8
  23. 3/8
  24. 85/84
  25. 1/6
  26. 1/22
  27. 1/3
  28. 9/8
  29. 1/2
  30. 37/36
  31. 3/2
  32. 1
  33. 1/3
  34. 5/12
  35. 5/4
  36. 1/20
  37. 11/15
  38. 139/110
  39. 5/14
  40. 1/4

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