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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 460 · 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. 1.2/4 − 1/4 =
  2. 2.4/5 + 2/5 =
  3. 3.7/9 + 3/4 =
  4. 4.1/3 + 2/7 =
  5. 5.7/9 − 2/3 =
  6. 6.5/6 + 5/6 =
  7. 7.9/12 − 3/6 =
  8. 8.7/9 + 1/7 =
  9. 9.1/5 + 2/6 =
  10. 10.7/9 − 3/10 =
  11. 11.4/7 + 3/4 =
  12. 12.1/6 + 1/5 =
  13. 13.2/3 − 1/2 =
  14. 14.2/3 − 2/5 =
  15. 15.1/4 + 5/10 =
  16. 16.1/2 + 1/10 =
  17. 17.11/12 + 3/5 =
  18. 18.2/3 + 1/2 =
  19. 19.1/6 + 1/5 =
  20. 20.5/7 + 1/2 =
  21. 21.3/10 + 7/12 =
  22. 22.9/10 − 4/12 =
  23. 23.1/2 + 3/6 =
  24. 24.4/12 + 3/11 =
  25. 25.7/12 + 1/3 =
  26. 26.2/10 + 2/5 =
  27. 27.1/3 + 3/12 =
  28. 28.2/3 + 2/3 =
  29. 29.1/2 + 3/10 =
  30. 30.2/9 + 1/2 =
  31. 31.3/8 + 2/3 =
  32. 32.1/5 + 3/4 =
  33. 33.1/3 + 2/10 =
  34. 34.11/12 + 11/12 =
  35. 35.4/9 + 1/7 =
  36. 36.1/2 + 1/2 =
  37. 37.4/12 + 6/7 =
  38. 38.5/11 − 2/11 =
  39. 39.7/8 − 1/2 =
  40. 40.5/12 + 3/4 =

Answer key

  1. 1/4
  2. 6/5
  3. 55/36
  4. 13/21
  5. 1/9
  6. 5/3
  7. 1/4
  8. 58/63
  9. 8/15
  10. 43/90
  11. 37/28
  12. 11/30
  13. 1/6
  14. 4/15
  15. 3/4
  16. 3/5
  17. 91/60
  18. 7/6
  19. 11/30
  20. 17/14
  21. 53/60
  22. 17/30
  23. 1
  24. 20/33
  25. 11/12
  26. 3/5
  27. 7/12
  28. 4/3
  29. 4/5
  30. 13/18
  31. 25/24
  32. 19/20
  33. 8/15
  34. 11/6
  35. 37/63
  36. 1
  37. 25/21
  38. 3/11
  39. 3/8
  40. 7/6

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