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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 595 · 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. 1.3/5 − 1/2 =
  2. 2.1/2 + 1/2 =
  3. 3.9/11 + 1/2 =
  4. 4.1/2 + 3/6 =
  5. 5.6/12 + 2/11 =
  6. 6.2/5 + 1/2 =
  7. 7.6/12 + 4/12 =
  8. 8.3/6 + 2/4 =
  9. 9.4/12 + 5/8 =
  10. 10.1/5 + 1/2 =
  11. 11.1/3 − 2/8 =
  12. 12.2/7 + 2/7 =
  13. 13.1/2 + 1/4 =
  14. 14.1/2 + 3/6 =
  15. 15.3/4 + 1/4 =
  16. 16.1/6 + 2/12 =
  17. 17.2/4 + 1/3 =
  18. 18.4/8 − 2/9 =
  19. 19.1/2 + 1/3 =
  20. 20.2/4 + 1/11 =
  21. 21.3/4 + 4/7 =
  22. 22.6/8 + 2/3 =
  23. 23.10/12 + 2/8 =
  24. 24.6/9 + 5/8 =
  25. 25.2/9 + 2/3 =
  26. 26.9/12 + 2/3 =
  27. 27.2/4 + 4/7 =
  28. 28.3/5 + 2/3 =
  29. 29.2/3 + 8/12 =
  30. 30.3/10 − 2/7 =
  31. 31.1/2 + 5/10 =
  32. 32.2/3 − 1/12 =
  33. 33.3/5 + 2/6 =
  34. 34.3/4 + 6/9 =
  35. 35.1/5 + 5/6 =
  36. 36.4/8 + 2/4 =
  37. 37.4/5 + 4/12 =
  38. 38.1/2 − 1/3 =
  39. 39.1/4 + 1/2 =
  40. 40.1/2 + 2/4 =

Answer key

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

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