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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 584 · 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. 1.1/2 − 1/3 =
  2. 2.4/7 + 2/3 =
  3. 3.10/11 + 1/6 =
  4. 4.10/12 − 3/12 =
  5. 5.7/11 + 10/12 =
  6. 6.2/4 + 2/8 =
  7. 7.6/9 − 1/10 =
  8. 8.3/4 − 1/3 =
  9. 9.9/10 + 1/7 =
  10. 10.2/4 + 1/3 =
  11. 11.5/7 + 3/6 =
  12. 12.1/9 + 9/10 =
  13. 13.1/3 + 1/4 =
  14. 14.3/7 + 1/5 =
  15. 15.2/3 + 4/7 =
  16. 16.1/2 + 1/2 =
  17. 17.11/12 − 9/10 =
  18. 18.1/3 − 1/7 =
  19. 19.3/6 − 1/7 =
  20. 20.5/10 + 3/6 =
  21. 21.2/5 + 1/3 =
  22. 22.4/7 − 1/2 =
  23. 23.6/12 + 6/7 =
  24. 24.3/4 − 1/3 =
  25. 25.3/4 + 2/3 =
  26. 26.7/9 + 2/6 =
  27. 27.7/11 + 1/5 =
  28. 28.1/6 + 5/12 =
  29. 29.2/3 + 1/2 =
  30. 30.1/2 − 2/7 =
  31. 31.4/6 + 1/3 =
  32. 32.1/3 + 2/11 =
  33. 33.1/2 + 3/5 =
  34. 34.1/10 + 10/11 =
  35. 35.3/4 − 2/5 =
  36. 36.2/3 + 1/3 =
  37. 37.9/10 − 4/6 =
  38. 38.2/10 + 1/2 =
  39. 39.1/3 + 1/2 =
  40. 40.6/9 − 2/6 =

Answer key

  1. 1/6
  2. 26/21
  3. 71/66
  4. 7/12
  5. 97/66
  6. 3/4
  7. 17/30
  8. 5/12
  9. 73/70
  10. 5/6
  11. 17/14
  12. 91/90
  13. 7/12
  14. 22/35
  15. 26/21
  16. 1
  17. 1/60
  18. 4/21
  19. 5/14
  20. 1
  21. 11/15
  22. 1/14
  23. 19/14
  24. 5/12
  25. 17/12
  26. 10/9
  27. 46/55
  28. 7/12
  29. 7/6
  30. 3/14
  31. 1
  32. 17/33
  33. 11/10
  34. 111/110
  35. 7/20
  36. 1
  37. 7/30
  38. 7/10
  39. 5/6
  40. 1/3

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