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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 525 · 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 − 1/4 =
  2. 2.1/4 + 3/12 =
  3. 3.7/9 − 3/6 =
  4. 4.3/10 + 1/4 =
  5. 5.5/10 − 2/6 =
  6. 6.9/11 + 9/11 =
  7. 7.1/5 + 2/6 =
  8. 8.3/4 + 6/12 =
  9. 9.1/2 + 1/2 =
  10. 10.2/3 + 1/11 =
  11. 11.1/3 − 1/11 =
  12. 12.5/12 + 1/8 =
  13. 13.1/2 + 3/7 =
  14. 14.10/11 + 2/9 =
  15. 15.1/7 + 2/7 =
  16. 16.2/3 − 1/2 =
  17. 17.1/9 + 1/2 =
  18. 18.1/3 + 5/7 =
  19. 19.1/2 − 2/7 =
  20. 20.3/4 + 1/5 =
  21. 21.7/8 + 7/9 =
  22. 22.5/10 + 1/2 =
  23. 23.7/8 + 2/10 =
  24. 24.2/5 + 5/8 =
  25. 25.10/12 + 1/2 =
  26. 26.2/10 + 1/2 =
  27. 27.1/3 + 3/9 =
  28. 28.2/3 + 2/12 =
  29. 29.1/3 + 2/4 =
  30. 30.3/5 − 1/2 =
  31. 31.7/10 − 2/3 =
  32. 32.1/3 + 2/8 =
  33. 33.1/3 + 2/6 =
  34. 34.2/6 + 5/8 =
  35. 35.2/3 − 1/2 =
  36. 36.2/9 + 4/5 =
  37. 37.2/8 + 9/10 =
  38. 38.4/5 + 3/4 =
  39. 39.5/9 − 4/11 =
  40. 40.8/11 − 1/2 =

Answer key

  1. 7/12
  2. 1/2
  3. 5/18
  4. 11/20
  5. 1/6
  6. 18/11
  7. 8/15
  8. 5/4
  9. 1
  10. 25/33
  11. 8/33
  12. 13/24
  13. 13/14
  14. 112/99
  15. 3/7
  16. 1/6
  17. 11/18
  18. 22/21
  19. 3/14
  20. 19/20
  21. 119/72
  22. 1
  23. 43/40
  24. 41/40
  25. 4/3
  26. 7/10
  27. 2/3
  28. 5/6
  29. 5/6
  30. 1/10
  31. 1/30
  32. 7/12
  33. 2/3
  34. 23/24
  35. 1/6
  36. 46/45
  37. 23/20
  38. 31/20
  39. 19/99
  40. 5/22

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