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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 192 · 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. 1.4/6 − 2/7 =
  2. 2.3/4 − 2/3 =
  3. 3.3/4 + 1/7 =
  4. 4.1/2 + 4/6 =
  5. 5.6/9 + 1/7 =
  6. 6.4/7 + 1/12 =
  7. 7.1/9 + 4/8 =
  8. 8.1/2 + 1/3 =
  9. 9.9/12 + 9/10 =
  10. 10.5/7 + 5/6 =
  11. 11.1/3 + 7/11 =
  12. 12.1/12 + 2/4 =
  13. 13.8/10 + 1/3 =
  14. 14.3/6 + 1/2 =
  15. 15.2/4 − 1/3 =
  16. 16.3/5 + 7/11 =
  17. 17.4/6 + 8/9 =
  18. 18.1/2 + 1/6 =
  19. 19.4/5 + 3/11 =
  20. 20.5/10 − 1/3 =
  21. 21.3/9 + 2/3 =
  22. 22.1/3 + 1/5 =
  23. 23.4/6 + 6/9 =
  24. 24.8/11 + 1/3 =
  25. 25.7/8 + 1/4 =
  26. 26.4/6 − 1/10 =
  27. 27.7/11 + 5/6 =
  28. 28.1/9 + 1/4 =
  29. 29.2/3 − 1/3 =
  30. 30.3/4 − 4/12 =
  31. 31.2/5 + 5/12 =
  32. 32.1/2 − 1/3 =
  33. 33.9/11 + 2/6 =
  34. 34.4/5 + 4/6 =
  35. 35.3/9 + 1/2 =
  36. 36.2/8 + 3/12 =
  37. 37.1/4 + 2/10 =
  38. 38.10/11 + 1/2 =
  39. 39.4/8 + 1/2 =
  40. 40.8/10 + 1/2 =

Answer key

  1. 8/21
  2. 1/12
  3. 25/28
  4. 7/6
  5. 17/21
  6. 55/84
  7. 11/18
  8. 5/6
  9. 33/20
  10. 65/42
  11. 32/33
  12. 7/12
  13. 17/15
  14. 1
  15. 1/6
  16. 68/55
  17. 14/9
  18. 2/3
  19. 59/55
  20. 1/6
  21. 1
  22. 8/15
  23. 4/3
  24. 35/33
  25. 9/8
  26. 17/30
  27. 97/66
  28. 13/36
  29. 1/3
  30. 5/12
  31. 49/60
  32. 1/6
  33. 38/33
  34. 22/15
  35. 5/6
  36. 1/2
  37. 9/20
  38. 31/22
  39. 1
  40. 13/10

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