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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 206 · 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. 1.7/10 + 4/9 =
  2. 2.5/12 + 1/2 =
  3. 3.3/5 + 5/12 =
  4. 4.10/11 − 4/10 =
  5. 5.8/12 + 3/10 =
  6. 6.1/2 + 4/9 =
  7. 7.1/4 + 2/6 =
  8. 8.1/3 + 1/4 =
  9. 9.1/5 − 1/12 =
  10. 10.2/3 + 3/4 =
  11. 11.2/4 + 1/10 =
  12. 12.4/12 + 2/3 =
  13. 13.1/10 + 3/4 =
  14. 14.5/12 + 2/7 =
  15. 15.1/6 + 4/6 =
  16. 16.1/2 + 1/5 =
  17. 17.1/4 + 2/6 =
  18. 18.7/9 − 4/10 =
  19. 19.8/9 + 3/8 =
  20. 20.1/8 + 2/4 =
  21. 21.7/8 − 1/4 =
  22. 22.6/12 − 1/3 =
  23. 23.1/2 + 1/10 =
  24. 24.1/2 + 8/10 =
  25. 25.8/12 − 1/2 =
  26. 26.3/5 − 6/11 =
  27. 27.10/12 − 3/12 =
  28. 28.6/10 − 1/2 =
  29. 29.4/8 − 3/9 =
  30. 30.6/9 − 2/5 =
  31. 31.3/5 + 2/3 =
  32. 32.2/8 + 2/5 =
  33. 33.2/3 − 2/6 =
  34. 34.8/10 + 4/8 =
  35. 35.6/8 + 1/2 =
  36. 36.10/12 + 1/8 =
  37. 37.1/3 + 1/2 =
  38. 38.1/2 − 4/9 =
  39. 39.4/6 − 1/7 =
  40. 40.2/5 + 8/10 =

Answer key

  1. 103/90
  2. 11/12
  3. 61/60
  4. 28/55
  5. 29/30
  6. 17/18
  7. 7/12
  8. 7/12
  9. 7/60
  10. 17/12
  11. 3/5
  12. 1
  13. 17/20
  14. 59/84
  15. 5/6
  16. 7/10
  17. 7/12
  18. 17/45
  19. 91/72
  20. 5/8
  21. 5/8
  22. 1/6
  23. 3/5
  24. 13/10
  25. 1/6
  26. 3/55
  27. 7/12
  28. 1/10
  29. 1/6
  30. 4/15
  31. 19/15
  32. 13/20
  33. 1/3
  34. 13/10
  35. 5/4
  36. 23/24
  37. 5/6
  38. 1/18
  39. 11/21
  40. 6/5

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