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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 528 · 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. 1.7/9 − 4/9 =
  2. 2.4/9 + 2/4 =
  3. 3.1/4 + 1/2 =
  4. 4.1/2 + 2/8 =
  5. 5.2/4 + 3/7 =
  6. 6.3/4 − 8/12 =
  7. 7.1/3 − 3/12 =
  8. 8.3/5 − 1/3 =
  9. 9.1/12 + 3/4 =
  10. 10.3/5 + 9/12 =
  11. 11.3/6 + 1/12 =
  12. 12.1/2 + 10/12 =
  13. 13.4/5 + 5/10 =
  14. 14.1/4 + 1/4 =
  15. 15.6/10 + 1/4 =
  16. 16.1/6 + 1/10 =
  17. 17.7/12 − 1/2 =
  18. 18.1/2 + 4/12 =
  19. 19.1/6 + 1/4 =
  20. 20.7/8 − 4/8 =
  21. 21.1/6 + 7/9 =
  22. 22.2/10 + 1/3 =
  23. 23.6/11 + 6/8 =
  24. 24.3/8 + 1/2 =
  25. 25.1/12 + 1/2 =
  26. 26.3/6 + 1/2 =
  27. 27.9/12 − 1/4 =
  28. 28.2/6 + 4/9 =
  29. 29.3/4 + 3/6 =
  30. 30.1/4 + 1/2 =
  31. 31.8/10 + 2/3 =
  32. 32.3/4 + 1/2 =
  33. 33.3/5 + 3/4 =
  34. 34.8/12 + 1/3 =
  35. 35.4/5 + 6/12 =
  36. 36.2/3 − 5/12 =
  37. 37.2/9 − 1/6 =
  38. 38.1/2 + 5/6 =
  39. 39.1/6 + 9/10 =
  40. 40.4/7 − 3/12 =

Answer key

  1. 1/3
  2. 17/18
  3. 3/4
  4. 3/4
  5. 13/14
  6. 1/12
  7. 1/12
  8. 4/15
  9. 5/6
  10. 27/20
  11. 7/12
  12. 4/3
  13. 13/10
  14. 1/2
  15. 17/20
  16. 4/15
  17. 1/12
  18. 5/6
  19. 5/12
  20. 3/8
  21. 17/18
  22. 8/15
  23. 57/44
  24. 7/8
  25. 7/12
  26. 1
  27. 1/2
  28. 7/9
  29. 5/4
  30. 3/4
  31. 22/15
  32. 5/4
  33. 27/20
  34. 1
  35. 13/10
  36. 1/4
  37. 1/18
  38. 4/3
  39. 16/15
  40. 9/28

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