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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 815 · 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. 1.2/6 + 4/12 =
  2. 2.4/8 − 1/11 =
  3. 3.3/4 − 1/2 =
  4. 4.2/3 − 2/4 =
  5. 5.2/8 + 2/11 =
  6. 6.1/5 + 5/11 =
  7. 7.10/11 − 2/3 =
  8. 8.5/6 + 2/6 =
  9. 9.3/5 + 2/4 =
  10. 10.1/7 + 1/4 =
  11. 11.5/8 + 1/2 =
  12. 12.3/7 + 6/9 =
  13. 13.7/9 + 8/12 =
  14. 14.4/7 − 1/5 =
  15. 15.8/12 − 2/5 =
  16. 16.5/6 − 4/9 =
  17. 17.10/12 + 1/6 =
  18. 18.1/3 + 1/2 =
  19. 19.4/9 + 4/6 =
  20. 20.4/12 + 3/5 =
  21. 21.2/3 + 8/11 =
  22. 22.6/8 + 2/5 =
  23. 23.2/4 + 4/5 =
  24. 24.2/3 − 3/5 =
  25. 25.1/3 + 3/6 =
  26. 26.5/6 + 7/8 =
  27. 27.1/2 − 2/7 =
  28. 28.1/3 + 4/8 =
  29. 29.2/5 + 2/5 =
  30. 30.2/7 + 5/9 =
  31. 31.1/2 + 3/5 =
  32. 32.5/12 + 6/9 =
  33. 33.1/11 + 11/12 =
  34. 34.7/8 − 2/9 =
  35. 35.4/5 − 7/9 =
  36. 36.2/7 + 2/12 =
  37. 37.1/3 + 4/12 =
  38. 38.1/3 − 3/10 =
  39. 39.6/11 − 1/2 =
  40. 40.2/6 + 3/9 =

Answer key

  1. 2/3
  2. 9/22
  3. 1/4
  4. 1/6
  5. 19/44
  6. 36/55
  7. 8/33
  8. 7/6
  9. 11/10
  10. 11/28
  11. 9/8
  12. 23/21
  13. 13/9
  14. 13/35
  15. 4/15
  16. 7/18
  17. 1
  18. 5/6
  19. 10/9
  20. 14/15
  21. 46/33
  22. 23/20
  23. 13/10
  24. 1/15
  25. 5/6
  26. 41/24
  27. 3/14
  28. 5/6
  29. 4/5
  30. 53/63
  31. 11/10
  32. 13/12
  33. 133/132
  34. 47/72
  35. 1/45
  36. 19/42
  37. 2/3
  38. 1/30
  39. 1/22
  40. 2/3

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