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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 286 · 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. 1.6/11 + 3/5 =
  2. 2.2/3 − 2/4 =
  3. 3.4/9 + 8/11 =
  4. 4.1/3 + 2/6 =
  5. 5.4/7 − 1/4 =
  6. 6.5/11 + 2/4 =
  7. 7.8/10 − 4/12 =
  8. 8.1/4 + 7/11 =
  9. 9.2/3 + 2/6 =
  10. 10.11/12 − 1/6 =
  11. 11.3/5 − 5/9 =
  12. 12.2/4 − 1/7 =
  13. 13.2/6 + 1/6 =
  14. 14.5/12 + 1/3 =
  15. 15.1/4 + 5/6 =
  16. 16.1/2 − 5/11 =
  17. 17.4/8 + 5/11 =
  18. 18.5/8 + 3/6 =
  19. 19.2/3 − 1/2 =
  20. 20.1/2 + 1/7 =
  21. 21.6/7 + 3/11 =
  22. 22.3/5 − 1/2 =
  23. 23.1/3 + 3/4 =
  24. 24.8/10 + 4/5 =
  25. 25.9/11 − 1/4 =
  26. 26.9/12 + 6/9 =
  27. 27.2/3 + 3/7 =
  28. 28.1/12 + 1/5 =
  29. 29.1/3 + 3/12 =
  30. 30.1/2 + 6/11 =
  31. 31.3/6 − 2/11 =
  32. 32.3/5 + 7/8 =
  33. 33.1/5 + 1/4 =
  34. 34.9/10 + 4/7 =
  35. 35.5/11 + 5/6 =
  36. 36.3/4 + 1/6 =
  37. 37.1/3 + 3/6 =
  38. 38.3/5 + 3/10 =
  39. 39.7/10 − 2/6 =
  40. 40.5/12 + 6/10 =

Answer key

  1. 63/55
  2. 1/6
  3. 116/99
  4. 2/3
  5. 9/28
  6. 21/22
  7. 7/15
  8. 39/44
  9. 1
  10. 3/4
  11. 2/45
  12. 5/14
  13. 1/2
  14. 3/4
  15. 13/12
  16. 1/22
  17. 21/22
  18. 9/8
  19. 1/6
  20. 9/14
  21. 87/77
  22. 1/10
  23. 13/12
  24. 8/5
  25. 25/44
  26. 17/12
  27. 23/21
  28. 17/60
  29. 7/12
  30. 23/22
  31. 7/22
  32. 59/40
  33. 9/20
  34. 103/70
  35. 85/66
  36. 11/12
  37. 5/6
  38. 9/10
  39. 11/30
  40. 61/60

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