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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 500 · 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. 1.4/6 + 3/11 =
  2. 2.2/3 + 3/4 =
  3. 3.4/12 − 3/10 =
  4. 4.6/11 + 1/12 =
  5. 5.1/8 + 4/12 =
  6. 6.7/8 + 11/12 =
  7. 7.2/3 + 2/8 =
  8. 8.1/4 − 2/12 =
  9. 9.1/3 − 1/10 =
  10. 10.2/10 + 1/3 =
  11. 11.3/4 − 4/10 =
  12. 12.2/3 − 1/2 =
  13. 13.1/2 + 6/7 =
  14. 14.9/12 − 1/3 =
  15. 15.4/6 − 5/8 =
  16. 16.2/4 − 1/3 =
  17. 17.2/3 + 2/4 =
  18. 18.6/10 − 3/9 =
  19. 19.4/8 − 1/6 =
  20. 20.8/11 + 5/6 =
  21. 21.2/3 − 5/8 =
  22. 22.2/7 + 1/2 =
  23. 23.2/12 + 5/9 =
  24. 24.2/5 + 2/4 =
  25. 25.1/2 − 3/12 =
  26. 26.9/11 + 1/7 =
  27. 27.1/3 + 2/9 =
  28. 28.5/9 + 1/3 =
  29. 29.1/4 + 2/3 =
  30. 30.1/2 + 1/4 =
  31. 31.2/10 + 5/11 =
  32. 32.1/2 + 11/12 =
  33. 33.2/3 + 2/4 =
  34. 34.3/9 − 1/4 =
  35. 35.3/8 − 2/9 =
  36. 36.6/10 + 1/4 =
  37. 37.1/5 + 7/9 =
  38. 38.1/3 + 3/4 =
  39. 39.2/4 + 2/11 =
  40. 40.1/6 + 6/9 =

Answer key

  1. 31/33
  2. 17/12
  3. 1/30
  4. 83/132
  5. 11/24
  6. 43/24
  7. 11/12
  8. 1/12
  9. 7/30
  10. 8/15
  11. 7/20
  12. 1/6
  13. 19/14
  14. 5/12
  15. 1/24
  16. 1/6
  17. 7/6
  18. 4/15
  19. 1/3
  20. 103/66
  21. 1/24
  22. 11/14
  23. 13/18
  24. 9/10
  25. 1/4
  26. 74/77
  27. 5/9
  28. 8/9
  29. 11/12
  30. 3/4
  31. 36/55
  32. 17/12
  33. 7/6
  34. 1/12
  35. 11/72
  36. 17/20
  37. 44/45
  38. 13/12
  39. 15/22
  40. 5/6

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