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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 133 · 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. 1.9/11 + 8/11 =
  2. 2.2/3 − 1/11 =
  3. 3.4/5 − 2/6 =
  4. 4.1/4 + 3/4 =
  5. 5.3/10 + 2/8 =
  6. 6.8/9 − 1/3 =
  7. 7.2/3 + 1/2 =
  8. 8.3/4 − 5/11 =
  9. 9.1/2 + 6/10 =
  10. 10.2/6 + 1/5 =
  11. 11.1/3 + 1/5 =
  12. 12.2/11 − 1/6 =
  13. 13.1/11 + 2/3 =
  14. 14.7/11 − 1/2 =
  15. 15.4/8 + 1/2 =
  16. 16.6/8 − 2/3 =
  17. 17.1/2 + 2/4 =
  18. 18.6/8 − 1/6 =
  19. 19.7/11 − 1/5 =
  20. 20.2/3 + 3/12 =
  21. 21.7/12 + 1/4 =
  22. 22.1/2 + 1/2 =
  23. 23.1/10 + 7/10 =
  24. 24.5/6 + 2/5 =
  25. 25.5/11 − 1/5 =
  26. 26.10/12 + 10/12 =
  27. 27.2/5 + 5/6 =
  28. 28.6/7 − 2/3 =
  29. 29.3/4 + 1/2 =
  30. 30.1/4 + 2/5 =
  31. 31.4/11 + 2/11 =
  32. 32.1/4 + 2/3 =
  33. 33.3/4 − 1/3 =
  34. 34.5/6 + 1/2 =
  35. 35.8/10 + 5/12 =
  36. 36.1/2 + 1/2 =
  37. 37.6/8 − 2/12 =
  38. 38.5/8 − 1/2 =
  39. 39.10/12 − 4/12 =
  40. 40.4/8 − 3/7 =

Answer key

  1. 17/11
  2. 19/33
  3. 7/15
  4. 1
  5. 11/20
  6. 5/9
  7. 7/6
  8. 13/44
  9. 11/10
  10. 8/15
  11. 8/15
  12. 1/66
  13. 25/33
  14. 3/22
  15. 1
  16. 1/12
  17. 1
  18. 7/12
  19. 24/55
  20. 11/12
  21. 5/6
  22. 1
  23. 4/5
  24. 37/30
  25. 14/55
  26. 5/3
  27. 37/30
  28. 4/21
  29. 5/4
  30. 13/20
  31. 6/11
  32. 11/12
  33. 5/12
  34. 4/3
  35. 73/60
  36. 1
  37. 7/12
  38. 1/8
  39. 1/2
  40. 1/14

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