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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 114 · 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. 1.4/6 − 1/3 =
  2. 2.2/4 − 1/3 =
  3. 3.4/12 − 1/10 =
  4. 4.1/3 + 4/6 =
  5. 5.8/12 − 2/4 =
  6. 6.5/7 − 1/4 =
  7. 7.1/6 + 3/4 =
  8. 8.8/12 + 4/10 =
  9. 9.2/5 + 4/8 =
  10. 10.6/8 − 1/9 =
  11. 11.1/4 + 2/3 =
  12. 12.7/9 + 5/8 =
  13. 13.2/5 − 1/6 =
  14. 14.3/10 − 2/10 =
  15. 15.1/2 − 1/4 =
  16. 16.1/2 − 1/5 =
  17. 17.3/10 + 1/10 =
  18. 18.1/3 + 4/9 =
  19. 19.3/6 + 1/6 =
  20. 20.3/5 + 2/3 =
  21. 21.1/2 + 2/8 =
  22. 22.2/6 + 9/12 =
  23. 23.2/4 − 2/9 =
  24. 24.7/9 + 1/2 =
  25. 25.1/3 − 2/8 =
  26. 26.2/3 + 2/3 =
  27. 27.2/3 + 2/3 =
  28. 28.3/4 + 1/2 =
  29. 29.3/4 + 1/2 =
  30. 30.5/7 − 4/6 =
  31. 31.8/12 + 5/6 =
  32. 32.3/10 + 1/3 =
  33. 33.2/3 − 3/8 =
  34. 34.1/7 + 6/8 =
  35. 35.4/6 + 2/3 =
  36. 36.2/3 + 1/11 =
  37. 37.4/5 + 3/6 =
  38. 38.1/2 − 3/9 =
  39. 39.5/8 − 1/10 =
  40. 40.1/4 + 1/4 =

Answer key

  1. 1/3
  2. 1/6
  3. 7/30
  4. 1
  5. 1/6
  6. 13/28
  7. 11/12
  8. 16/15
  9. 9/10
  10. 23/36
  11. 11/12
  12. 101/72
  13. 7/30
  14. 1/10
  15. 1/4
  16. 3/10
  17. 2/5
  18. 7/9
  19. 2/3
  20. 19/15
  21. 3/4
  22. 13/12
  23. 5/18
  24. 23/18
  25. 1/12
  26. 4/3
  27. 4/3
  28. 5/4
  29. 5/4
  30. 1/21
  31. 3/2
  32. 19/30
  33. 7/24
  34. 25/28
  35. 4/3
  36. 25/33
  37. 13/10
  38. 1/6
  39. 21/40
  40. 1/2

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