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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 305 · 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. 1.5/6 + 2/5 =
  2. 2.3/8 − 1/4 =
  3. 3.1/6 + 8/12 =
  4. 4.1/2 − 1/3 =
  5. 5.4/11 + 6/8 =
  6. 6.4/6 + 8/9 =
  7. 7.2/4 − 1/6 =
  8. 8.4/12 + 1/3 =
  9. 9.2/4 + 9/10 =
  10. 10.2/9 + 2/3 =
  11. 11.3/4 − 1/2 =
  12. 12.3/5 + 8/11 =
  13. 13.1/3 + 4/12 =
  14. 14.1/2 + 1/2 =
  15. 15.10/11 − 3/10 =
  16. 16.1/12 + 10/12 =
  17. 17.9/12 + 2/4 =
  18. 18.6/8 − 1/3 =
  19. 19.1/10 + 2/3 =
  20. 20.1/4 + 5/6 =
  21. 21.1/4 − 1/11 =
  22. 22.2/3 + 1/2 =
  23. 23.2/7 − 1/4 =
  24. 24.2/3 − 1/10 =
  25. 25.3/5 − 7/12 =
  26. 26.6/7 − 1/3 =
  27. 27.1/2 − 2/7 =
  28. 28.4/12 + 7/8 =
  29. 29.1/2 + 7/10 =
  30. 30.1/2 − 3/11 =
  31. 31.2/3 − 2/11 =
  32. 32.1/2 + 1/3 =
  33. 33.4/5 + 1/4 =
  34. 34.4/6 + 1/2 =
  35. 35.5/6 + 5/6 =
  36. 36.4/5 − 4/6 =
  37. 37.2/5 + 5/10 =
  38. 38.3/4 + 4/8 =
  39. 39.3/6 − 4/9 =
  40. 40.9/11 + 1/11 =

Answer key

  1. 37/30
  2. 1/8
  3. 5/6
  4. 1/6
  5. 49/44
  6. 14/9
  7. 1/3
  8. 2/3
  9. 7/5
  10. 8/9
  11. 1/4
  12. 73/55
  13. 2/3
  14. 1
  15. 67/110
  16. 11/12
  17. 5/4
  18. 5/12
  19. 23/30
  20. 13/12
  21. 7/44
  22. 7/6
  23. 1/28
  24. 17/30
  25. 1/60
  26. 11/21
  27. 3/14
  28. 29/24
  29. 6/5
  30. 5/22
  31. 16/33
  32. 5/6
  33. 21/20
  34. 7/6
  35. 5/3
  36. 2/15
  37. 9/10
  38. 5/4
  39. 1/18
  40. 10/11

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