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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 778 · 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 + 3/9 =
  2. 2.2/3 + 6/9 =
  3. 3.2/3 − 2/4 =
  4. 4.1/3 + 4/11 =
  5. 5.10/11 − 7/12 =
  6. 6.7/8 − 10/12 =
  7. 7.1/2 + 4/9 =
  8. 8.5/8 − 1/8 =
  9. 9.1/3 − 1/9 =
  10. 10.4/5 + 1/3 =
  11. 11.2/5 − 1/4 =
  12. 12.11/12 − 1/12 =
  13. 13.3/10 + 5/10 =
  14. 14.5/9 + 4/5 =
  15. 15.3/5 − 4/11 =
  16. 16.1/2 + 2/10 =
  17. 17.4/5 − 2/3 =
  18. 18.2/8 + 5/9 =
  19. 19.7/8 − 2/11 =
  20. 20.5/6 − 1/5 =
  21. 21.1/7 + 4/7 =
  22. 22.2/3 − 3/5 =
  23. 23.2/3 + 6/9 =
  24. 24.5/6 + 9/11 =
  25. 25.4/11 + 3/4 =
  26. 26.2/3 − 3/9 =
  27. 27.2/3 + 2/10 =
  28. 28.6/10 − 1/3 =
  29. 29.4/7 − 1/2 =
  30. 30.5/11 − 3/11 =
  31. 31.6/9 − 1/2 =
  32. 32.6/11 + 2/12 =
  33. 33.5/8 + 1/2 =
  34. 34.1/3 − 1/4 =
  35. 35.2/3 − 2/5 =
  36. 36.1/2 + 2/12 =
  37. 37.6/11 + 1/9 =
  38. 38.1/2 + 2/8 =
  39. 39.2/4 + 1/2 =
  40. 40.7/10 − 5/10 =

Answer key

  1. 13/12
  2. 4/3
  3. 1/6
  4. 23/33
  5. 43/132
  6. 1/24
  7. 17/18
  8. 1/2
  9. 2/9
  10. 17/15
  11. 3/20
  12. 5/6
  13. 4/5
  14. 61/45
  15. 13/55
  16. 7/10
  17. 2/15
  18. 29/36
  19. 61/88
  20. 19/30
  21. 5/7
  22. 1/15
  23. 4/3
  24. 109/66
  25. 49/44
  26. 1/3
  27. 13/15
  28. 4/15
  29. 1/14
  30. 2/11
  31. 1/6
  32. 47/66
  33. 9/8
  34. 1/12
  35. 4/15
  36. 2/3
  37. 65/99
  38. 3/4
  39. 1
  40. 1/5

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