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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 498 · 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. 1.2/3 − 3/6 =
  2. 2.1/3 + 9/10 =
  3. 3.2/11 + 2/4 =
  4. 4.2/7 + 1/5 =
  5. 5.2/4 + 1/3 =
  6. 6.2/6 − 1/4 =
  7. 7.1/5 + 3/10 =
  8. 8.4/7 − 1/5 =
  9. 9.1/2 − 1/8 =
  10. 10.9/12 − 3/9 =
  11. 11.6/8 − 1/2 =
  12. 12.4/5 + 3/9 =
  13. 13.6/7 + 1/9 =
  14. 14.8/10 − 4/8 =
  15. 15.3/4 − 1/8 =
  16. 16.2/4 + 2/9 =
  17. 17.3/5 + 2/6 =
  18. 18.2/3 + 2/3 =
  19. 19.1/4 + 6/7 =
  20. 20.5/6 + 3/6 =
  21. 21.2/4 + 1/2 =
  22. 22.1/11 + 1/2 =
  23. 23.8/9 − 2/11 =
  24. 24.6/9 − 1/5 =
  25. 25.4/7 + 4/6 =
  26. 26.3/6 + 1/4 =
  27. 27.1/9 + 2/3 =
  28. 28.1/6 + 1/3 =
  29. 29.3/6 − 2/10 =
  30. 30.3/4 + 3/7 =
  31. 31.2/3 + 1/2 =
  32. 32.2/4 + 1/3 =
  33. 33.1/2 − 2/12 =
  34. 34.6/9 + 5/7 =
  35. 35.1/5 + 8/11 =
  36. 36.1/2 − 4/10 =
  37. 37.3/11 + 3/6 =
  38. 38.1/3 + 5/6 =
  39. 39.2/4 + 3/12 =
  40. 40.2/6 + 3/4 =

Answer key

  1. 1/6
  2. 37/30
  3. 15/22
  4. 17/35
  5. 5/6
  6. 1/12
  7. 1/2
  8. 13/35
  9. 3/8
  10. 5/12
  11. 1/4
  12. 17/15
  13. 61/63
  14. 3/10
  15. 5/8
  16. 13/18
  17. 14/15
  18. 4/3
  19. 31/28
  20. 4/3
  21. 1
  22. 13/22
  23. 70/99
  24. 7/15
  25. 26/21
  26. 3/4
  27. 7/9
  28. 1/2
  29. 3/10
  30. 33/28
  31. 7/6
  32. 5/6
  33. 1/3
  34. 29/21
  35. 51/55
  36. 1/10
  37. 17/22
  38. 7/6
  39. 3/4
  40. 13/12

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