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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 382 · 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. 1.7/8 − 2/4 =
  2. 2.2/6 − 1/5 =
  3. 3.1/3 − 1/5 =
  4. 4.2/3 + 4/5 =
  5. 5.2/4 + 6/12 =
  6. 6.2/8 + 1/6 =
  7. 7.1/3 + 3/4 =
  8. 8.7/9 − 1/6 =
  9. 9.1/5 + 1/6 =
  10. 10.1/2 + 4/12 =
  11. 11.5/6 + 4/6 =
  12. 12.2/3 + 3/6 =
  13. 13.2/4 + 1/9 =
  14. 14.4/7 + 3/8 =
  15. 15.9/12 − 3/7 =
  16. 16.2/3 + 5/6 =
  17. 17.5/6 − 7/9 =
  18. 18.1/3 + 4/7 =
  19. 19.9/11 + 1/12 =
  20. 20.6/8 − 4/7 =
  21. 21.4/12 + 1/3 =
  22. 22.2/8 + 4/10 =
  23. 23.2/3 + 1/3 =
  24. 24.1/2 + 2/9 =
  25. 25.3/8 + 2/8 =
  26. 26.4/8 + 2/4 =
  27. 27.8/12 − 1/2 =
  28. 28.4/5 + 3/5 =
  29. 29.5/6 − 7/10 =
  30. 30.1/3 − 2/10 =
  31. 31.4/6 − 2/5 =
  32. 32.4/10 − 1/4 =
  33. 33.2/5 + 3/8 =
  34. 34.1/2 + 2/4 =
  35. 35.4/6 + 1/5 =
  36. 36.1/2 − 2/7 =
  37. 37.1/5 + 1/2 =
  38. 38.2/3 − 1/4 =
  39. 39.1/5 + 3/4 =
  40. 40.3/4 − 4/12 =

Answer key

  1. 3/8
  2. 2/15
  3. 2/15
  4. 22/15
  5. 1
  6. 5/12
  7. 13/12
  8. 11/18
  9. 11/30
  10. 5/6
  11. 3/2
  12. 7/6
  13. 11/18
  14. 53/56
  15. 9/28
  16. 3/2
  17. 1/18
  18. 19/21
  19. 119/132
  20. 5/28
  21. 2/3
  22. 13/20
  23. 1
  24. 13/18
  25. 5/8
  26. 1
  27. 1/6
  28. 7/5
  29. 2/15
  30. 2/15
  31. 4/15
  32. 3/20
  33. 31/40
  34. 1
  35. 13/15
  36. 3/14
  37. 7/10
  38. 5/12
  39. 19/20
  40. 5/12

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