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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 452 · 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. 1.4/5 − 1/5 =
  2. 2.8/10 + 3/7 =
  3. 3.1/2 + 4/5 =
  4. 4.7/9 + 8/11 =
  5. 5.2/3 + 1/3 =
  6. 6.6/10 + 2/3 =
  7. 7.8/12 − 1/12 =
  8. 8.3/5 − 3/6 =
  9. 9.1/11 − 1/12 =
  10. 10.1/2 − 3/9 =
  11. 11.4/5 − 1/12 =
  12. 12.3/9 + 1/2 =
  13. 13.6/7 + 1/10 =
  14. 14.2/3 + 5/10 =
  15. 15.1/3 + 1/2 =
  16. 16.3/11 − 1/4 =
  17. 17.2/11 + 1/12 =
  18. 18.1/10 + 1/5 =
  19. 19.3/8 − 1/3 =
  20. 20.3/10 + 11/12 =
  21. 21.3/4 − 6/10 =
  22. 22.6/12 + 3/10 =
  23. 23.8/9 + 1/3 =
  24. 24.1/2 + 1/7 =
  25. 25.1/6 + 1/2 =
  26. 26.3/5 + 3/11 =
  27. 27.1/2 + 1/2 =
  28. 28.8/10 + 4/10 =
  29. 29.9/10 − 3/5 =
  30. 30.4/8 + 2/7 =
  31. 31.2/3 − 2/4 =
  32. 32.3/4 + 1/5 =
  33. 33.1/2 − 2/11 =
  34. 34.1/10 + 1/2 =
  35. 35.5/8 + 2/7 =
  36. 36.3/8 + 5/6 =
  37. 37.4/6 − 3/5 =
  38. 38.3/8 + 3/5 =
  39. 39.1/4 + 1/2 =
  40. 40.1/3 + 1/8 =

Answer key

  1. 3/5
  2. 43/35
  3. 13/10
  4. 149/99
  5. 1
  6. 19/15
  7. 7/12
  8. 1/10
  9. 1/132
  10. 1/6
  11. 43/60
  12. 5/6
  13. 67/70
  14. 7/6
  15. 5/6
  16. 1/44
  17. 35/132
  18. 3/10
  19. 1/24
  20. 73/60
  21. 3/20
  22. 4/5
  23. 11/9
  24. 9/14
  25. 2/3
  26. 48/55
  27. 1
  28. 6/5
  29. 3/10
  30. 11/14
  31. 1/6
  32. 19/20
  33. 7/22
  34. 3/5
  35. 51/56
  36. 29/24
  37. 1/15
  38. 39/40
  39. 3/4
  40. 11/24

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