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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 612 · 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. 1.3/4 + 3/8 =
  2. 2.2/3 − 5/11 =
  3. 3.3/4 + 7/8 =
  4. 4.1/3 + 1/3 =
  5. 5.6/8 − 1/4 =
  6. 6.2/9 + 2/3 =
  7. 7.5/9 + 7/9 =
  8. 8.5/11 + 2/3 =
  9. 9.7/9 + 10/12 =
  10. 10.5/10 − 2/7 =
  11. 11.4/5 + 1/12 =
  12. 12.2/3 + 2/3 =
  13. 13.3/4 − 6/10 =
  14. 14.1/2 − 2/11 =
  15. 15.1/12 + 3/4 =
  16. 16.2/3 − 1/2 =
  17. 17.4/8 + 1/10 =
  18. 18.7/9 + 1/8 =
  19. 19.1/10 + 4/7 =
  20. 20.2/5 − 1/12 =
  21. 21.1/2 + 8/10 =
  22. 22.6/11 − 1/10 =
  23. 23.1/2 − 1/9 =
  24. 24.5/7 − 3/5 =
  25. 25.3/7 + 1/6 =
  26. 26.1/2 + 2/8 =
  27. 27.5/9 − 3/9 =
  28. 28.1/11 + 9/12 =
  29. 29.4/6 + 5/6 =
  30. 30.2/7 + 2/7 =
  31. 31.6/9 − 1/2 =
  32. 32.1/3 + 1/2 =
  33. 33.1/3 + 1/10 =
  34. 34.1/2 + 1/3 =
  35. 35.3/10 + 5/12 =
  36. 36.2/10 + 4/8 =
  37. 37.4/11 + 1/2 =
  38. 38.2/3 + 1/11 =
  39. 39.2/3 + 1/2 =
  40. 40.8/9 − 1/9 =

Answer key

  1. 9/8
  2. 7/33
  3. 13/8
  4. 2/3
  5. 1/2
  6. 8/9
  7. 4/3
  8. 37/33
  9. 29/18
  10. 3/14
  11. 53/60
  12. 4/3
  13. 3/20
  14. 7/22
  15. 5/6
  16. 1/6
  17. 3/5
  18. 65/72
  19. 47/70
  20. 19/60
  21. 13/10
  22. 49/110
  23. 7/18
  24. 4/35
  25. 25/42
  26. 3/4
  27. 2/9
  28. 37/44
  29. 3/2
  30. 4/7
  31. 1/6
  32. 5/6
  33. 13/30
  34. 5/6
  35. 43/60
  36. 7/10
  37. 19/22
  38. 25/33
  39. 7/6
  40. 7/9

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