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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 615 · 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. 1.3/8 + 2/6 =
  2. 2.4/8 − 3/9 =
  3. 3.5/9 − 2/4 =
  4. 4.3/9 + 3/9 =
  5. 5.1/4 + 1/2 =
  6. 6.1/2 + 2/3 =
  7. 7.2/11 + 2/5 =
  8. 8.2/7 + 9/11 =
  9. 9.1/7 + 1/2 =
  10. 10.1/6 + 1/6 =
  11. 11.6/12 − 4/12 =
  12. 12.2/3 + 1/10 =
  13. 13.1/4 + 1/4 =
  14. 14.7/12 + 1/2 =
  15. 15.2/3 − 2/8 =
  16. 16.4/7 − 1/6 =
  17. 17.7/10 − 6/12 =
  18. 18.2/3 − 1/3 =
  19. 19.3/11 + 2/4 =
  20. 20.1/2 + 1/2 =
  21. 21.10/12 − 1/2 =
  22. 22.1/3 + 1/4 =
  23. 23.1/3 + 1/2 =
  24. 24.4/9 + 3/5 =
  25. 25.5/9 + 1/6 =
  26. 26.1/12 + 5/8 =
  27. 27.3/4 + 3/12 =
  28. 28.5/10 + 2/6 =
  29. 29.2/6 + 2/8 =
  30. 30.1/2 + 2/3 =
  31. 31.2/12 + 2/4 =
  32. 32.1/2 + 8/11 =
  33. 33.3/8 + 3/4 =
  34. 34.1/6 + 6/7 =
  35. 35.3/12 + 5/7 =
  36. 36.4/12 + 3/4 =
  37. 37.1/3 + 3/12 =
  38. 38.4/8 − 2/8 =
  39. 39.1/2 + 6/9 =
  40. 40.2/7 − 1/6 =

Answer key

  1. 17/24
  2. 1/6
  3. 1/18
  4. 2/3
  5. 3/4
  6. 7/6
  7. 32/55
  8. 85/77
  9. 9/14
  10. 1/3
  11. 1/6
  12. 23/30
  13. 1/2
  14. 13/12
  15. 5/12
  16. 17/42
  17. 1/5
  18. 1/3
  19. 17/22
  20. 1
  21. 1/3
  22. 7/12
  23. 5/6
  24. 47/45
  25. 13/18
  26. 17/24
  27. 1
  28. 5/6
  29. 7/12
  30. 7/6
  31. 2/3
  32. 27/22
  33. 9/8
  34. 43/42
  35. 27/28
  36. 13/12
  37. 7/12
  38. 1/4
  39. 7/6
  40. 5/42

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