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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 111 · 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. 1.3/8 + 4/11 =
  2. 2.1/2 + 4/11 =
  3. 3.1/4 − 1/7 =
  4. 4.2/8 + 6/10 =
  5. 5.1/2 + 1/2 =
  6. 6.3/6 + 2/12 =
  7. 7.4/5 − 2/12 =
  8. 8.1/3 − 1/7 =
  9. 9.1/9 + 2/4 =
  10. 10.2/10 + 7/8 =
  11. 11.2/9 + 1/2 =
  12. 12.1/2 + 5/12 =
  13. 13.1/2 + 1/2 =
  14. 14.3/10 + 3/7 =
  15. 15.3/6 + 4/6 =
  16. 16.4/7 + 3/8 =
  17. 17.1/3 − 1/5 =
  18. 18.3/8 − 1/3 =
  19. 19.1/2 + 1/12 =
  20. 20.5/9 − 1/3 =
  21. 21.1/3 + 1/4 =
  22. 22.1/6 + 6/7 =
  23. 23.2/9 + 4/5 =
  24. 24.3/4 − 1/5 =
  25. 25.1/4 + 3/5 =
  26. 26.2/3 − 7/12 =
  27. 27.5/8 + 3/6 =
  28. 28.3/6 − 1/9 =
  29. 29.1/2 + 3/5 =
  30. 30.4/9 − 4/12 =
  31. 31.7/12 + 7/11 =
  32. 32.2/4 + 3/4 =
  33. 33.5/9 + 2/11 =
  34. 34.2/3 − 1/10 =
  35. 35.4/12 + 8/9 =
  36. 36.2/3 − 2/5 =
  37. 37.1/3 + 1/3 =
  38. 38.3/4 + 6/8 =
  39. 39.3/12 + 1/6 =
  40. 40.4/5 − 4/7 =

Answer key

  1. 65/88
  2. 19/22
  3. 3/28
  4. 17/20
  5. 1
  6. 2/3
  7. 19/30
  8. 4/21
  9. 11/18
  10. 43/40
  11. 13/18
  12. 11/12
  13. 1
  14. 51/70
  15. 7/6
  16. 53/56
  17. 2/15
  18. 1/24
  19. 7/12
  20. 2/9
  21. 7/12
  22. 43/42
  23. 46/45
  24. 11/20
  25. 17/20
  26. 1/12
  27. 9/8
  28. 7/18
  29. 11/10
  30. 1/9
  31. 161/132
  32. 5/4
  33. 73/99
  34. 17/30
  35. 11/9
  36. 4/15
  37. 2/3
  38. 3/2
  39. 5/12
  40. 8/35

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