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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 357 · 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 + 1/3 =
  2. 2.2/9 + 6/7 =
  3. 3.5/6 − 4/9 =
  4. 4.3/5 − 1/2 =
  5. 5.2/8 + 1/3 =
  6. 6.4/8 + 5/12 =
  7. 7.1/3 − 1/6 =
  8. 8.1/2 + 11/12 =
  9. 9.1/7 + 7/9 =
  10. 10.5/6 − 2/4 =
  11. 11.2/10 + 5/7 =
  12. 12.1/2 + 2/11 =
  13. 13.5/11 + 9/12 =
  14. 14.2/4 + 4/8 =
  15. 15.5/7 − 1/2 =
  16. 16.1/4 + 1/9 =
  17. 17.5/10 + 1/9 =
  18. 18.9/11 − 2/9 =
  19. 19.4/5 + 1/2 =
  20. 20.2/4 + 9/10 =
  21. 21.3/6 − 1/8 =
  22. 22.1/2 − 2/5 =
  23. 23.9/12 − 1/2 =
  24. 24.3/10 + 2/3 =
  25. 25.1/3 + 7/10 =
  26. 26.8/10 − 1/2 =
  27. 27.1/2 − 2/5 =
  28. 28.4/5 − 1/2 =
  29. 29.1/2 − 2/12 =
  30. 30.6/9 − 1/2 =
  31. 31.1/5 + 1/4 =
  32. 32.8/11 − 1/2 =
  33. 33.4/8 + 1/4 =
  34. 34.4/9 + 3/5 =
  35. 35.1/2 + 6/8 =
  36. 36.1/3 + 1/5 =
  37. 37.1/2 − 1/4 =
  38. 38.2/8 + 2/3 =
  39. 39.11/12 − 1/2 =
  40. 40.9/11 + 3/4 =

Answer key

  1. 17/15
  2. 68/63
  3. 7/18
  4. 1/10
  5. 7/12
  6. 11/12
  7. 1/6
  8. 17/12
  9. 58/63
  10. 1/3
  11. 32/35
  12. 15/22
  13. 53/44
  14. 1
  15. 3/14
  16. 13/36
  17. 11/18
  18. 59/99
  19. 13/10
  20. 7/5
  21. 3/8
  22. 1/10
  23. 1/4
  24. 29/30
  25. 31/30
  26. 3/10
  27. 1/10
  28. 3/10
  29. 1/3
  30. 1/6
  31. 9/20
  32. 5/22
  33. 3/4
  34. 47/45
  35. 5/4
  36. 8/15
  37. 1/4
  38. 11/12
  39. 5/12
  40. 69/44

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