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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 997 · 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. 1.5/6 − 1/3 =
  2. 2.1/2 + 1/4 =
  3. 3.1/2 + 5/9 =
  4. 4.1/3 + 5/10 =
  5. 5.4/5 + 2/3 =
  6. 6.4/5 − 2/7 =
  7. 7.1/2 + 2/4 =
  8. 8.1/2 − 2/5 =
  9. 9.7/10 − 1/8 =
  10. 10.1/4 + 1/2 =
  11. 11.1/8 + 2/3 =
  12. 12.1/2 + 3/12 =
  13. 13.1/4 + 2/6 =
  14. 14.2/8 + 4/8 =
  15. 15.2/4 − 2/8 =
  16. 16.10/11 − 1/2 =
  17. 17.3/7 − 2/10 =
  18. 18.2/5 + 3/11 =
  19. 19.4/8 − 1/6 =
  20. 20.1/6 + 2/3 =
  21. 21.2/4 + 1/2 =
  22. 22.2/4 − 4/10 =
  23. 23.1/12 + 7/9 =
  24. 24.1/2 + 1/2 =
  25. 25.3/8 + 1/7 =
  26. 26.3/5 + 8/9 =
  27. 27.10/11 − 7/12 =
  28. 28.2/4 + 4/5 =
  29. 29.7/8 + 3/4 =
  30. 30.8/12 − 5/9 =
  31. 31.1/2 + 5/9 =
  32. 32.8/9 − 2/3 =
  33. 33.3/4 − 1/2 =
  34. 34.2/5 − 1/7 =
  35. 35.3/4 + 1/4 =
  36. 36.6/8 − 1/11 =
  37. 37.5/6 − 1/8 =
  38. 38.4/6 − 1/7 =
  39. 39.3/10 − 2/10 =
  40. 40.10/11 − 1/2 =

Answer key

  1. 1/2
  2. 3/4
  3. 19/18
  4. 5/6
  5. 22/15
  6. 18/35
  7. 1
  8. 1/10
  9. 23/40
  10. 3/4
  11. 19/24
  12. 3/4
  13. 7/12
  14. 3/4
  15. 1/4
  16. 9/22
  17. 8/35
  18. 37/55
  19. 1/3
  20. 5/6
  21. 1
  22. 1/10
  23. 31/36
  24. 1
  25. 29/56
  26. 67/45
  27. 43/132
  28. 13/10
  29. 13/8
  30. 1/9
  31. 19/18
  32. 2/9
  33. 1/4
  34. 9/35
  35. 1
  36. 29/44
  37. 17/24
  38. 11/21
  39. 1/10
  40. 9/22

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