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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 41 · 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. 1.8/9 − 1/2 =
  2. 2.2/3 − 6/10 =
  3. 3.2/3 + 6/12 =
  4. 4.5/8 − 1/5 =
  5. 5.4/5 + 1/8 =
  6. 6.1/3 − 3/11 =
  7. 7.5/8 − 2/7 =
  8. 8.8/9 − 6/7 =
  9. 9.8/10 − 2/3 =
  10. 10.5/12 + 6/8 =
  11. 11.3/4 + 2/3 =
  12. 12.9/10 − 2/4 =
  13. 13.7/12 − 2/6 =
  14. 14.5/6 − 3/9 =
  15. 15.2/4 + 4/10 =
  16. 16.4/5 + 2/12 =
  17. 17.3/10 + 1/4 =
  18. 18.2/10 + 8/12 =
  19. 19.1/2 + 6/7 =
  20. 20.1/2 + 1/2 =
  21. 21.5/8 − 5/9 =
  22. 22.1/2 + 2/3 =
  23. 23.6/12 + 1/11 =
  24. 24.2/6 + 1/3 =
  25. 25.5/10 + 3/4 =
  26. 26.8/10 + 3/4 =
  27. 27.1/8 + 2/3 =
  28. 28.2/3 − 2/9 =
  29. 29.2/4 + 2/4 =
  30. 30.4/7 − 1/4 =
  31. 31.8/12 − 2/4 =
  32. 32.1/3 + 7/12 =
  33. 33.6/10 − 2/8 =
  34. 34.3/5 + 7/12 =
  35. 35.7/10 + 5/8 =
  36. 36.3/4 − 1/4 =
  37. 37.1/3 + 3/9 =
  38. 38.1/4 + 2/7 =
  39. 39.6/10 + 4/7 =
  40. 40.8/10 + 1/4 =

Answer key

  1. 7/18
  2. 1/15
  3. 7/6
  4. 17/40
  5. 37/40
  6. 2/33
  7. 19/56
  8. 2/63
  9. 2/15
  10. 7/6
  11. 17/12
  12. 2/5
  13. 1/4
  14. 1/2
  15. 9/10
  16. 29/30
  17. 11/20
  18. 13/15
  19. 19/14
  20. 1
  21. 5/72
  22. 7/6
  23. 13/22
  24. 2/3
  25. 5/4
  26. 31/20
  27. 19/24
  28. 4/9
  29. 1
  30. 9/28
  31. 1/6
  32. 11/12
  33. 7/20
  34. 71/60
  35. 53/40
  36. 1/2
  37. 2/3
  38. 15/28
  39. 41/35
  40. 21/20

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