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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 227 · 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. 1.5/10 + 2/3 =
  2. 2.3/4 − 5/7 =
  3. 3.3/11 + 7/11 =
  4. 4.7/8 − 1/7 =
  5. 5.1/2 + 2/4 =
  6. 6.3/10 − 1/7 =
  7. 7.2/10 + 2/6 =
  8. 8.7/10 − 2/3 =
  9. 9.3/4 + 3/4 =
  10. 10.2/3 − 1/5 =
  11. 11.4/7 − 4/12 =
  12. 12.3/7 − 1/4 =
  13. 13.3/9 + 1/2 =
  14. 14.9/10 − 4/6 =
  15. 15.2/10 + 8/11 =
  16. 16.5/7 + 1/5 =
  17. 17.1/4 + 2/3 =
  18. 18.3/9 + 1/6 =
  19. 19.4/8 + 1/5 =
  20. 20.1/2 + 6/9 =
  21. 21.1/2 − 1/5 =
  22. 22.3/6 − 3/10 =
  23. 23.1/3 + 8/12 =
  24. 24.2/12 − 1/10 =
  25. 25.8/10 + 3/4 =
  26. 26.6/9 + 1/2 =
  27. 27.1/10 + 1/9 =
  28. 28.2/6 − 2/11 =
  29. 29.1/2 − 1/5 =
  30. 30.5/6 − 1/2 =
  31. 31.5/11 + 3/5 =
  32. 32.2/5 − 3/12 =
  33. 33.3/8 + 1/2 =
  34. 34.2/3 − 1/7 =
  35. 35.1/11 + 3/4 =
  36. 36.6/7 + 1/9 =
  37. 37.3/4 − 2/4 =
  38. 38.2/3 + 7/12 =
  39. 39.2/8 + 10/12 =
  40. 40.2/3 − 1/4 =

Answer key

  1. 7/6
  2. 1/28
  3. 10/11
  4. 41/56
  5. 1
  6. 11/70
  7. 8/15
  8. 1/30
  9. 3/2
  10. 7/15
  11. 5/21
  12. 5/28
  13. 5/6
  14. 7/30
  15. 51/55
  16. 32/35
  17. 11/12
  18. 1/2
  19. 7/10
  20. 7/6
  21. 3/10
  22. 1/5
  23. 1
  24. 1/15
  25. 31/20
  26. 7/6
  27. 19/90
  28. 5/33
  29. 3/10
  30. 1/3
  31. 58/55
  32. 3/20
  33. 7/8
  34. 11/21
  35. 37/44
  36. 61/63
  37. 1/4
  38. 5/4
  39. 13/12
  40. 5/12

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