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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 765 · 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. 1.3/11 + 1/3 =
  2. 2.2/3 − 3/9 =
  3. 3.1/4 + 4/9 =
  4. 4.2/4 + 1/5 =
  5. 5.2/6 + 5/9 =
  6. 6.8/11 − 4/12 =
  7. 7.8/11 − 5/11 =
  8. 8.2/6 + 7/10 =
  9. 9.5/9 + 9/11 =
  10. 10.4/6 + 6/9 =
  11. 11.3/12 + 1/2 =
  12. 12.10/12 − 4/8 =
  13. 13.1/2 + 3/4 =
  14. 14.3/4 + 1/7 =
  15. 15.5/12 − 4/12 =
  16. 16.2/12 + 2/7 =
  17. 17.1/2 + 2/5 =
  18. 18.1/10 + 2/3 =
  19. 19.6/8 + 2/9 =
  20. 20.7/10 − 2/3 =
  21. 21.3/5 − 1/6 =
  22. 22.3/5 − 1/3 =
  23. 23.5/6 − 2/3 =
  24. 24.3/11 − 1/4 =
  25. 25.7/10 + 6/9 =
  26. 26.2/11 + 4/10 =
  27. 27.1/5 + 3/4 =
  28. 28.4/7 − 1/7 =
  29. 29.1/3 + 5/7 =
  30. 30.4/5 + 2/6 =
  31. 31.6/8 + 3/8 =
  32. 32.1/2 − 1/3 =
  33. 33.4/8 + 4/10 =
  34. 34.6/7 + 2/3 =
  35. 35.2/6 + 1/2 =
  36. 36.3/5 + 1/4 =
  37. 37.1/4 − 1/12 =
  38. 38.1/12 + 1/2 =
  39. 39.1/2 + 1/9 =
  40. 40.3/4 + 1/3 =

Answer key

  1. 20/33
  2. 1/3
  3. 25/36
  4. 7/10
  5. 8/9
  6. 13/33
  7. 3/11
  8. 31/30
  9. 136/99
  10. 4/3
  11. 3/4
  12. 1/3
  13. 5/4
  14. 25/28
  15. 1/12
  16. 19/42
  17. 9/10
  18. 23/30
  19. 35/36
  20. 1/30
  21. 13/30
  22. 4/15
  23. 1/6
  24. 1/44
  25. 41/30
  26. 32/55
  27. 19/20
  28. 3/7
  29. 22/21
  30. 17/15
  31. 9/8
  32. 1/6
  33. 9/10
  34. 32/21
  35. 5/6
  36. 17/20
  37. 1/6
  38. 7/12
  39. 11/18
  40. 13/12

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