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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 652 · 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. 1.8/9 − 5/9 =
  2. 2.4/6 + 4/9 =
  3. 3.3/5 + 7/8 =
  4. 4.1/4 − 1/7 =
  5. 5.5/8 − 4/7 =
  6. 6.6/12 + 2/7 =
  7. 7.5/6 + 3/10 =
  8. 8.8/10 − 2/12 =
  9. 9.3/8 − 1/11 =
  10. 10.6/12 − 1/3 =
  11. 11.2/11 + 6/7 =
  12. 12.7/11 − 1/2 =
  13. 13.3/4 − 2/3 =
  14. 14.1/2 + 3/9 =
  15. 15.3/8 + 5/9 =
  16. 16.2/8 + 1/11 =
  17. 17.1/2 + 2/4 =
  18. 18.6/8 − 1/2 =
  19. 19.1/4 − 1/5 =
  20. 20.1/2 + 1/2 =
  21. 21.2/3 − 2/6 =
  22. 22.4/12 + 1/4 =
  23. 23.5/7 − 2/8 =
  24. 24.5/10 − 2/9 =
  25. 25.3/5 − 1/4 =
  26. 26.3/4 − 4/9 =
  27. 27.3/5 + 2/7 =
  28. 28.2/3 − 5/10 =
  29. 29.1/4 + 1/9 =
  30. 30.2/3 + 7/10 =
  31. 31.1/4 − 1/7 =
  32. 32.1/4 + 1/2 =
  33. 33.6/10 − 3/12 =
  34. 34.1/3 + 1/3 =
  35. 35.3/8 − 1/7 =
  36. 36.2/4 − 1/8 =
  37. 37.6/11 − 2/12 =
  38. 38.5/8 + 5/12 =
  39. 39.1/2 + 2/4 =
  40. 40.3/5 − 1/2 =

Answer key

  1. 1/3
  2. 10/9
  3. 59/40
  4. 3/28
  5. 3/56
  6. 11/14
  7. 17/15
  8. 19/30
  9. 25/88
  10. 1/6
  11. 80/77
  12. 3/22
  13. 1/12
  14. 5/6
  15. 67/72
  16. 15/44
  17. 1
  18. 1/4
  19. 1/20
  20. 1
  21. 1/3
  22. 7/12
  23. 13/28
  24. 5/18
  25. 7/20
  26. 11/36
  27. 31/35
  28. 1/6
  29. 13/36
  30. 41/30
  31. 3/28
  32. 3/4
  33. 7/20
  34. 2/3
  35. 13/56
  36. 3/8
  37. 25/66
  38. 25/24
  39. 1
  40. 1/10

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