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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 10 · 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. 1.3/8 + 5/10 =
  2. 2.3/6 + 2/4 =
  3. 3.3/4 − 2/3 =
  4. 4.4/7 + 3/11 =
  5. 5.5/6 − 1/2 =
  6. 6.2/3 + 7/11 =
  7. 7.2/4 + 1/2 =
  8. 8.5/9 − 1/2 =
  9. 9.6/8 − 4/12 =
  10. 10.3/4 − 1/6 =
  11. 11.4/7 − 1/5 =
  12. 12.5/8 + 1/9 =
  13. 13.5/6 − 2/10 =
  14. 14.4/6 + 2/9 =
  15. 15.1/5 + 1/2 =
  16. 16.2/8 + 8/12 =
  17. 17.5/11 − 1/5 =
  18. 18.1/10 + 3/8 =
  19. 19.6/9 − 1/3 =
  20. 20.2/3 + 2/4 =
  21. 21.5/6 − 2/8 =
  22. 22.7/9 + 1/4 =
  23. 23.2/4 − 1/10 =
  24. 24.3/4 + 4/8 =
  25. 25.5/6 − 5/8 =
  26. 26.1/4 + 5/10 =
  27. 27.3/7 + 1/2 =
  28. 28.9/12 + 3/11 =
  29. 29.1/5 + 1/3 =
  30. 30.3/10 + 1/2 =
  31. 31.2/5 + 1/5 =
  32. 32.2/4 + 4/10 =
  33. 33.4/9 + 7/10 =
  34. 34.1/2 − 1/11 =
  35. 35.3/12 + 2/5 =
  36. 36.2/6 + 5/6 =
  37. 37.2/3 − 4/9 =
  38. 38.3/11 − 2/11 =
  39. 39.3/6 + 1/2 =
  40. 40.10/12 + 1/2 =

Answer key

  1. 7/8
  2. 1
  3. 1/12
  4. 65/77
  5. 1/3
  6. 43/33
  7. 1
  8. 1/18
  9. 5/12
  10. 7/12
  11. 13/35
  12. 53/72
  13. 19/30
  14. 8/9
  15. 7/10
  16. 11/12
  17. 14/55
  18. 19/40
  19. 1/3
  20. 7/6
  21. 7/12
  22. 37/36
  23. 2/5
  24. 5/4
  25. 5/24
  26. 3/4
  27. 13/14
  28. 45/44
  29. 8/15
  30. 4/5
  31. 3/5
  32. 9/10
  33. 103/90
  34. 9/22
  35. 13/20
  36. 7/6
  37. 2/9
  38. 1/11
  39. 1
  40. 4/3

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