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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 722 · 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. 1.2/3 + 1/2 =
  2. 2.1/2 − 2/6 =
  3. 3.1/4 − 1/10 =
  4. 4.2/5 + 3/5 =
  5. 5.5/9 + 1/3 =
  6. 6.9/10 − 3/4 =
  7. 7.2/5 + 1/12 =
  8. 8.4/5 + 6/7 =
  9. 9.5/6 − 1/7 =
  10. 10.2/5 + 3/5 =
  11. 11.7/8 + 3/8 =
  12. 12.7/9 − 3/4 =
  13. 13.5/10 − 1/3 =
  14. 14.1/2 − 2/12 =
  15. 15.4/12 + 1/4 =
  16. 16.1/3 + 2/3 =
  17. 17.3/6 − 1/6 =
  18. 18.2/3 + 2/11 =
  19. 19.3/11 + 1/3 =
  20. 20.11/12 − 1/3 =
  21. 21.4/12 + 1/3 =
  22. 22.1/3 + 6/10 =
  23. 23.5/9 − 1/4 =
  24. 24.2/3 − 1/3 =
  25. 25.1/3 + 1/3 =
  26. 26.1/10 + 2/3 =
  27. 27.4/5 − 1/3 =
  28. 28.5/10 − 1/3 =
  29. 29.4/6 − 2/9 =
  30. 30.9/10 + 11/12 =
  31. 31.1/11 + 1/2 =
  32. 32.3/5 + 1/9 =
  33. 33.11/12 + 2/5 =
  34. 34.2/8 + 2/10 =
  35. 35.4/6 + 2/11 =
  36. 36.10/11 − 1/3 =
  37. 37.2/6 + 1/4 =
  38. 38.1/2 + 2/3 =
  39. 39.7/9 − 4/9 =
  40. 40.5/6 + 2/4 =

Answer key

  1. 7/6
  2. 1/6
  3. 3/20
  4. 1
  5. 8/9
  6. 3/20
  7. 29/60
  8. 58/35
  9. 29/42
  10. 1
  11. 5/4
  12. 1/36
  13. 1/6
  14. 1/3
  15. 7/12
  16. 1
  17. 1/3
  18. 28/33
  19. 20/33
  20. 7/12
  21. 2/3
  22. 14/15
  23. 11/36
  24. 1/3
  25. 2/3
  26. 23/30
  27. 7/15
  28. 1/6
  29. 4/9
  30. 109/60
  31. 13/22
  32. 32/45
  33. 79/60
  34. 9/20
  35. 28/33
  36. 19/33
  37. 7/12
  38. 7/6
  39. 1/3
  40. 4/3

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