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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 255 · 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. 1.3/4 + 1/3 =
  2. 2.1/5 + 6/8 =
  3. 3.8/9 + 3/8 =
  4. 4.8/12 + 1/6 =
  5. 5.6/8 + 9/11 =
  6. 6.4/8 + 1/6 =
  7. 7.6/7 − 3/5 =
  8. 8.3/5 + 1/5 =
  9. 9.3/6 + 1/12 =
  10. 10.5/7 − 4/8 =
  11. 11.4/9 + 4/9 =
  12. 12.4/8 − 1/3 =
  13. 13.5/9 + 10/12 =
  14. 14.5/12 − 1/4 =
  15. 15.4/9 + 1/6 =
  16. 16.2/3 − 6/12 =
  17. 17.3/5 + 2/9 =
  18. 18.3/6 + 5/12 =
  19. 19.4/6 − 2/9 =
  20. 20.2/11 + 9/11 =
  21. 21.2/4 − 2/9 =
  22. 22.1/3 − 2/9 =
  23. 23.5/9 + 1/4 =
  24. 24.9/12 − 5/10 =
  25. 25.5/6 − 2/9 =
  26. 26.1/12 + 8/10 =
  27. 27.2/9 + 1/4 =
  28. 28.1/2 − 5/11 =
  29. 29.7/9 − 8/12 =
  30. 30.1/11 + 1/5 =
  31. 31.2/4 + 2/3 =
  32. 32.8/11 − 3/10 =
  33. 33.1/2 + 3/6 =
  34. 34.3/6 + 6/10 =
  35. 35.3/4 − 6/12 =
  36. 36.4/6 + 7/12 =
  37. 37.4/10 − 1/3 =
  38. 38.2/3 + 2/3 =
  39. 39.8/9 + 1/4 =
  40. 40.8/9 + 1/6 =

Answer key

  1. 13/12
  2. 19/20
  3. 91/72
  4. 5/6
  5. 69/44
  6. 2/3
  7. 9/35
  8. 4/5
  9. 7/12
  10. 3/14
  11. 8/9
  12. 1/6
  13. 25/18
  14. 1/6
  15. 11/18
  16. 1/6
  17. 37/45
  18. 11/12
  19. 4/9
  20. 1
  21. 5/18
  22. 1/9
  23. 29/36
  24. 1/4
  25. 11/18
  26. 53/60
  27. 17/36
  28. 1/22
  29. 1/9
  30. 16/55
  31. 7/6
  32. 47/110
  33. 1
  34. 11/10
  35. 1/4
  36. 5/4
  37. 1/15
  38. 4/3
  39. 41/36
  40. 19/18

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