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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 645 · 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. 1.2/5 + 1/4 =
  2. 2.4/11 − 1/8 =
  3. 3.5/6 + 5/10 =
  4. 4.1/2 + 10/11 =
  5. 5.10/11 + 4/6 =
  6. 6.3/6 − 2/5 =
  7. 7.5/9 + 4/11 =
  8. 8.1/2 − 5/11 =
  9. 9.6/11 + 2/10 =
  10. 10.2/12 + 11/12 =
  11. 11.7/11 + 2/4 =
  12. 12.1/2 + 1/2 =
  13. 13.1/3 + 5/7 =
  14. 14.2/4 − 4/9 =
  15. 15.9/10 + 1/6 =
  16. 16.11/12 + 3/7 =
  17. 17.4/6 − 6/12 =
  18. 18.2/8 − 1/10 =
  19. 19.1/11 + 4/5 =
  20. 20.5/10 − 1/3 =
  21. 21.8/10 − 1/3 =
  22. 22.1/3 − 2/8 =
  23. 23.2/3 − 1/8 =
  24. 24.8/10 + 6/7 =
  25. 25.1/4 + 1/9 =
  26. 26.5/7 − 3/8 =
  27. 27.1/4 + 3/4 =
  28. 28.2/5 + 2/3 =
  29. 29.4/9 + 1/2 =
  30. 30.4/5 + 3/4 =
  31. 31.1/2 + 6/12 =
  32. 32.7/8 + 1/9 =
  33. 33.5/6 − 1/2 =
  34. 34.3/5 − 1/6 =
  35. 35.9/11 + 4/10 =
  36. 36.3/5 − 1/6 =
  37. 37.2/5 + 3/5 =
  38. 38.6/8 − 1/8 =
  39. 39.4/10 + 4/5 =
  40. 40.1/4 + 1/3 =

Answer key

  1. 13/20
  2. 21/88
  3. 4/3
  4. 31/22
  5. 52/33
  6. 1/10
  7. 91/99
  8. 1/22
  9. 41/55
  10. 13/12
  11. 25/22
  12. 1
  13. 22/21
  14. 1/18
  15. 16/15
  16. 113/84
  17. 1/6
  18. 3/20
  19. 49/55
  20. 1/6
  21. 7/15
  22. 1/12
  23. 13/24
  24. 58/35
  25. 13/36
  26. 19/56
  27. 1
  28. 16/15
  29. 17/18
  30. 31/20
  31. 1
  32. 71/72
  33. 1/3
  34. 13/30
  35. 67/55
  36. 13/30
  37. 1
  38. 5/8
  39. 6/5
  40. 7/12

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