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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 825 · 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. 1.4/6 − 1/4 =
  2. 2.2/3 + 1/2 =
  3. 3.1/2 − 2/7 =
  4. 4.9/11 + 1/5 =
  5. 5.8/11 − 2/4 =
  6. 6.3/10 + 6/10 =
  7. 7.7/12 + 8/11 =
  8. 8.1/2 + 3/8 =
  9. 9.2/5 − 1/6 =
  10. 10.10/11 − 4/9 =
  11. 11.4/5 − 2/3 =
  12. 12.3/4 + 1/2 =
  13. 13.4/11 + 4/8 =
  14. 14.3/9 + 1/2 =
  15. 15.1/2 − 1/9 =
  16. 16.10/12 + 2/4 =
  17. 17.7/10 + 2/10 =
  18. 18.1/2 − 2/8 =
  19. 19.3/12 + 2/8 =
  20. 20.6/8 − 5/10 =
  21. 21.2/3 − 3/6 =
  22. 22.6/7 − 2/5 =
  23. 23.3/5 − 2/5 =
  24. 24.9/11 + 3/4 =
  25. 25.1/10 + 5/7 =
  26. 26.1/3 + 2/3 =
  27. 27.3/12 + 5/10 =
  28. 28.3/11 − 1/9 =
  29. 29.4/10 − 2/10 =
  30. 30.3/7 − 2/6 =
  31. 31.1/8 − 1/12 =
  32. 32.2/4 − 1/7 =
  33. 33.3/8 + 6/8 =
  34. 34.9/10 − 3/12 =
  35. 35.8/9 + 1/2 =
  36. 36.1/2 + 2/5 =
  37. 37.4/8 − 3/9 =
  38. 38.10/12 + 2/7 =
  39. 39.3/7 − 1/11 =
  40. 40.9/11 + 7/10 =

Answer key

  1. 5/12
  2. 7/6
  3. 3/14
  4. 56/55
  5. 5/22
  6. 9/10
  7. 173/132
  8. 7/8
  9. 7/30
  10. 46/99
  11. 2/15
  12. 5/4
  13. 19/22
  14. 5/6
  15. 7/18
  16. 4/3
  17. 9/10
  18. 1/4
  19. 1/2
  20. 1/4
  21. 1/6
  22. 16/35
  23. 1/5
  24. 69/44
  25. 57/70
  26. 1
  27. 3/4
  28. 16/99
  29. 1/5
  30. 2/21
  31. 1/24
  32. 5/14
  33. 9/8
  34. 13/20
  35. 25/18
  36. 9/10
  37. 1/6
  38. 47/42
  39. 26/77
  40. 167/110

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