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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 593 · 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. 1.1/3 + 1/5 =
  2. 2.6/9 + 6/9 =
  3. 3.4/11 + 2/10 =
  4. 4.2/11 + 1/3 =
  5. 5.6/11 + 2/4 =
  6. 6.5/12 + 1/5 =
  7. 7.1/3 + 2/9 =
  8. 8.6/7 − 2/5 =
  9. 9.2/4 + 11/12 =
  10. 10.1/2 − 4/12 =
  11. 11.8/11 + 7/9 =
  12. 12.3/7 − 1/3 =
  13. 13.3/10 + 2/7 =
  14. 14.2/3 + 9/10 =
  15. 15.1/3 + 9/11 =
  16. 16.4/10 + 2/10 =
  17. 17.2/4 + 10/12 =
  18. 18.7/8 + 1/5 =
  19. 19.2/3 − 2/7 =
  20. 20.6/9 − 1/6 =
  21. 21.3/5 + 7/9 =
  22. 22.1/2 + 5/8 =
  23. 23.6/10 − 1/2 =
  24. 24.4/9 + 1/8 =
  25. 25.5/9 + 1/3 =
  26. 26.5/8 + 2/4 =
  27. 27.5/6 + 2/3 =
  28. 28.2/4 − 2/10 =
  29. 29.1/2 + 1/2 =
  30. 30.1/11 + 3/5 =
  31. 31.4/6 − 1/2 =
  32. 32.2/5 + 3/4 =
  33. 33.2/3 − 2/10 =
  34. 34.7/9 + 6/9 =
  35. 35.2/3 + 4/6 =
  36. 36.2/7 + 1/3 =
  37. 37.7/9 − 2/4 =
  38. 38.2/3 + 1/2 =
  39. 39.2/7 + 1/3 =
  40. 40.2/4 − 1/7 =

Answer key

  1. 8/15
  2. 4/3
  3. 31/55
  4. 17/33
  5. 23/22
  6. 37/60
  7. 5/9
  8. 16/35
  9. 17/12
  10. 1/6
  11. 149/99
  12. 2/21
  13. 41/70
  14. 47/30
  15. 38/33
  16. 3/5
  17. 4/3
  18. 43/40
  19. 8/21
  20. 1/2
  21. 62/45
  22. 9/8
  23. 1/10
  24. 41/72
  25. 8/9
  26. 9/8
  27. 3/2
  28. 3/10
  29. 1
  30. 38/55
  31. 1/6
  32. 23/20
  33. 7/15
  34. 13/9
  35. 4/3
  36. 13/21
  37. 5/18
  38. 7/6
  39. 13/21
  40. 5/14

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