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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 125 · 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. 1.3/12 + 3/11 =
  2. 2.1/3 + 5/10 =
  3. 3.8/11 − 2/3 =
  4. 4.2/3 − 1/7 =
  5. 5.3/6 + 9/11 =
  6. 6.5/6 − 1/6 =
  7. 7.1/4 − 1/5 =
  8. 8.1/4 + 3/6 =
  9. 9.2/3 − 6/11 =
  10. 10.3/12 + 4/10 =
  11. 11.3/4 + 2/3 =
  12. 12.1/3 + 2/6 =
  13. 13.5/9 − 1/4 =
  14. 14.11/12 + 6/10 =
  15. 15.5/10 − 1/6 =
  16. 16.10/12 − 1/2 =
  17. 17.2/12 + 2/3 =
  18. 18.1/2 + 2/3 =
  19. 19.7/8 − 6/10 =
  20. 20.3/4 + 1/10 =
  21. 21.1/2 + 4/10 =
  22. 22.2/3 + 1/3 =
  23. 23.2/3 − 1/2 =
  24. 24.4/6 − 4/9 =
  25. 25.3/5 + 2/3 =
  26. 26.7/8 + 4/6 =
  27. 27.2/12 + 10/12 =
  28. 28.1/4 − 1/7 =
  29. 29.3/5 + 4/6 =
  30. 30.1/2 − 3/9 =
  31. 31.1/2 + 1/3 =
  32. 32.8/10 − 4/10 =
  33. 33.9/12 − 4/8 =
  34. 34.6/7 − 1/4 =
  35. 35.1/2 + 4/8 =
  36. 36.1/2 + 2/7 =
  37. 37.4/9 + 2/3 =
  38. 38.1/2 − 2/8 =
  39. 39.3/4 − 4/12 =
  40. 40.8/10 + 1/3 =

Answer key

  1. 23/44
  2. 5/6
  3. 2/33
  4. 11/21
  5. 29/22
  6. 2/3
  7. 1/20
  8. 3/4
  9. 4/33
  10. 13/20
  11. 17/12
  12. 2/3
  13. 11/36
  14. 91/60
  15. 1/3
  16. 1/3
  17. 5/6
  18. 7/6
  19. 11/40
  20. 17/20
  21. 9/10
  22. 1
  23. 1/6
  24. 2/9
  25. 19/15
  26. 37/24
  27. 1
  28. 3/28
  29. 19/15
  30. 1/6
  31. 5/6
  32. 2/5
  33. 1/4
  34. 17/28
  35. 1
  36. 11/14
  37. 10/9
  38. 1/4
  39. 5/12
  40. 17/15

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