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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 653 · 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. 1.9/10 − 1/6 =
  2. 2.2/8 − 1/9 =
  3. 3.5/9 − 5/11 =
  4. 4.3/6 + 2/8 =
  5. 5.8/9 − 6/12 =
  6. 6.2/4 + 2/6 =
  7. 7.3/6 + 1/2 =
  8. 8.4/9 + 1/2 =
  9. 9.4/5 − 4/9 =
  10. 10.2/5 + 1/4 =
  11. 11.3/4 + 4/7 =
  12. 12.3/5 + 6/12 =
  13. 13.4/5 + 4/11 =
  14. 14.1/3 + 1/12 =
  15. 15.1/2 + 1/6 =
  16. 16.4/5 + 6/9 =
  17. 17.7/11 − 4/11 =
  18. 18.1/2 + 7/12 =
  19. 19.5/10 + 4/5 =
  20. 20.3/9 + 8/9 =
  21. 21.5/10 + 3/10 =
  22. 22.5/9 − 1/2 =
  23. 23.4/8 + 1/4 =
  24. 24.6/10 + 5/7 =
  25. 25.2/3 − 1/10 =
  26. 26.1/4 + 2/11 =
  27. 27.1/2 + 2/4 =
  28. 28.7/8 − 4/6 =
  29. 29.2/4 + 4/6 =
  30. 30.7/11 + 5/6 =
  31. 31.9/10 − 3/6 =
  32. 32.1/6 + 10/12 =
  33. 33.1/3 − 1/9 =
  34. 34.2/5 + 4/5 =
  35. 35.1/7 + 8/10 =
  36. 36.8/10 + 8/11 =
  37. 37.3/6 + 7/10 =
  38. 38.1/2 + 3/5 =
  39. 39.1/2 + 1/12 =
  40. 40.2/3 − 3/8 =

Answer key

  1. 11/15
  2. 5/36
  3. 10/99
  4. 3/4
  5. 7/18
  6. 5/6
  7. 1
  8. 17/18
  9. 16/45
  10. 13/20
  11. 37/28
  12. 11/10
  13. 64/55
  14. 5/12
  15. 2/3
  16. 22/15
  17. 3/11
  18. 13/12
  19. 13/10
  20. 11/9
  21. 4/5
  22. 1/18
  23. 3/4
  24. 46/35
  25. 17/30
  26. 19/44
  27. 1
  28. 5/24
  29. 7/6
  30. 97/66
  31. 2/5
  32. 1
  33. 2/9
  34. 6/5
  35. 33/35
  36. 84/55
  37. 6/5
  38. 11/10
  39. 7/12
  40. 7/24

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