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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 568 · 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. 1.8/10 + 4/5 =
  2. 2.6/7 + 1/10 =
  3. 3.4/6 − 1/9 =
  4. 4.9/12 − 2/9 =
  5. 5.1/3 + 1/3 =
  6. 6.6/8 − 5/9 =
  7. 7.6/10 + 5/12 =
  8. 8.5/12 + 2/4 =
  9. 9.1/2 + 2/4 =
  10. 10.2/9 + 1/8 =
  11. 11.3/10 + 2/8 =
  12. 12.2/3 − 1/6 =
  13. 13.9/11 + 3/4 =
  14. 14.1/2 + 2/4 =
  15. 15.2/8 + 2/8 =
  16. 16.3/4 − 2/4 =
  17. 17.1/2 + 6/7 =
  18. 18.1/6 + 4/5 =
  19. 19.1/4 + 3/4 =
  20. 20.8/12 − 1/7 =
  21. 21.1/2 + 2/4 =
  22. 22.7/11 − 1/5 =
  23. 23.2/3 − 2/6 =
  24. 24.2/4 − 1/3 =
  25. 25.3/4 + 2/11 =
  26. 26.4/5 − 3/4 =
  27. 27.2/9 + 2/4 =
  28. 28.9/11 + 2/11 =
  29. 29.3/4 − 1/4 =
  30. 30.1/2 + 4/6 =
  31. 31.8/10 − 1/6 =
  32. 32.7/9 − 2/12 =
  33. 33.1/11 + 2/12 =
  34. 34.3/5 − 2/5 =
  35. 35.2/3 + 1/5 =
  36. 36.2/3 − 1/10 =
  37. 37.10/12 − 3/5 =
  38. 38.2/7 + 8/10 =
  39. 39.2/3 − 6/12 =
  40. 40.1/2 + 4/11 =

Answer key

  1. 8/5
  2. 67/70
  3. 5/9
  4. 19/36
  5. 2/3
  6. 7/36
  7. 61/60
  8. 11/12
  9. 1
  10. 25/72
  11. 11/20
  12. 1/2
  13. 69/44
  14. 1
  15. 1/2
  16. 1/4
  17. 19/14
  18. 29/30
  19. 1
  20. 11/21
  21. 1
  22. 24/55
  23. 1/3
  24. 1/6
  25. 41/44
  26. 1/20
  27. 13/18
  28. 1
  29. 1/2
  30. 7/6
  31. 19/30
  32. 11/18
  33. 17/66
  34. 1/5
  35. 13/15
  36. 17/30
  37. 7/30
  38. 38/35
  39. 1/6
  40. 19/22

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