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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 594 · 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. 1.5/11 + 2/3 =
  2. 2.3/5 + 1/12 =
  3. 3.4/12 + 3/10 =
  4. 4.10/12 + 2/4 =
  5. 5.2/5 − 1/4 =
  6. 6.4/8 + 1/4 =
  7. 7.1/5 − 1/9 =
  8. 8.1/3 + 3/7 =
  9. 9.1/2 + 4/11 =
  10. 10.7/9 − 2/3 =
  11. 11.1/3 + 3/10 =
  12. 12.2/4 + 8/9 =
  13. 13.4/5 − 1/2 =
  14. 14.2/3 − 5/10 =
  15. 15.2/4 − 3/12 =
  16. 16.2/5 − 2/11 =
  17. 17.2/3 + 6/12 =
  18. 18.8/11 − 1/4 =
  19. 19.1/4 + 4/6 =
  20. 20.1/2 + 1/3 =
  21. 21.4/7 − 1/3 =
  22. 22.1/2 + 2/9 =
  23. 23.2/5 + 4/5 =
  24. 24.3/4 + 1/3 =
  25. 25.3/5 + 3/12 =
  26. 26.3/12 + 7/12 =
  27. 27.1/3 + 3/7 =
  28. 28.1/2 + 4/8 =
  29. 29.3/8 + 4/11 =
  30. 30.10/12 + 8/11 =
  31. 31.2/10 + 8/9 =
  32. 32.1/6 + 5/12 =
  33. 33.1/4 + 7/10 =
  34. 34.1/2 + 1/4 =
  35. 35.9/12 + 3/11 =
  36. 36.10/11 − 1/4 =
  37. 37.1/12 + 2/3 =
  38. 38.2/3 − 2/10 =
  39. 39.7/9 − 1/4 =
  40. 40.5/11 − 1/9 =

Answer key

  1. 37/33
  2. 41/60
  3. 19/30
  4. 4/3
  5. 3/20
  6. 3/4
  7. 4/45
  8. 16/21
  9. 19/22
  10. 1/9
  11. 19/30
  12. 25/18
  13. 3/10
  14. 1/6
  15. 1/4
  16. 12/55
  17. 7/6
  18. 21/44
  19. 11/12
  20. 5/6
  21. 5/21
  22. 13/18
  23. 6/5
  24. 13/12
  25. 17/20
  26. 5/6
  27. 16/21
  28. 1
  29. 65/88
  30. 103/66
  31. 49/45
  32. 7/12
  33. 19/20
  34. 3/4
  35. 45/44
  36. 29/44
  37. 3/4
  38. 7/15
  39. 19/36
  40. 34/99

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