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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 742 · 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 + 1/3 =
  2. 2.4/8 − 4/10 =
  3. 3.4/8 + 8/11 =
  4. 4.1/2 + 1/3 =
  5. 5.1/2 − 1/12 =
  6. 6.1/4 − 1/6 =
  7. 7.1/2 + 4/9 =
  8. 8.1/2 + 2/4 =
  9. 9.1/3 + 4/5 =
  10. 10.1/2 − 2/12 =
  11. 11.3/7 + 2/8 =
  12. 12.2/5 + 5/10 =
  13. 13.1/5 + 1/3 =
  14. 14.2/5 − 1/5 =
  15. 15.3/6 + 8/11 =
  16. 16.3/10 − 1/10 =
  17. 17.2/6 + 1/3 =
  18. 18.1/4 + 4/6 =
  19. 19.7/10 + 2/3 =
  20. 20.6/12 − 2/10 =
  21. 21.1/2 + 1/3 =
  22. 22.1/2 + 3/6 =
  23. 23.2/3 + 1/2 =
  24. 24.3/6 − 1/4 =
  25. 25.8/11 − 1/10 =
  26. 26.1/11 + 8/11 =
  27. 27.4/5 + 1/2 =
  28. 28.1/2 + 6/12 =
  29. 29.1/4 + 3/8 =
  30. 30.7/10 − 2/12 =
  31. 31.3/9 + 3/11 =
  32. 32.5/8 + 1/7 =
  33. 33.3/7 − 1/6 =
  34. 34.5/6 − 2/9 =
  35. 35.5/7 − 1/4 =
  36. 36.1/2 + 2/5 =
  37. 37.1/2 − 4/11 =
  38. 38.3/7 + 3/4 =
  39. 39.3/4 − 7/12 =
  40. 40.2/6 + 1/3 =

Answer key

  1. 1
  2. 1/10
  3. 27/22
  4. 5/6
  5. 5/12
  6. 1/12
  7. 17/18
  8. 1
  9. 17/15
  10. 1/3
  11. 19/28
  12. 9/10
  13. 8/15
  14. 1/5
  15. 27/22
  16. 1/5
  17. 2/3
  18. 11/12
  19. 41/30
  20. 3/10
  21. 5/6
  22. 1
  23. 7/6
  24. 1/4
  25. 69/110
  26. 9/11
  27. 13/10
  28. 1
  29. 5/8
  30. 8/15
  31. 20/33
  32. 43/56
  33. 11/42
  34. 11/18
  35. 13/28
  36. 9/10
  37. 3/22
  38. 33/28
  39. 1/6
  40. 2/3

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