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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 323 · 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. 1.2/8 + 5/7 =
  2. 2.1/2 − 4/11 =
  3. 3.3/10 + 1/5 =
  4. 4.3/6 + 1/5 =
  5. 5.5/7 − 1/2 =
  6. 6.4/8 + 2/4 =
  7. 7.1/10 + 1/7 =
  8. 8.3/4 + 4/8 =
  9. 9.4/6 + 1/2 =
  10. 10.5/7 − 5/8 =
  11. 11.5/7 − 1/2 =
  12. 12.5/6 − 3/7 =
  13. 13.9/12 + 1/2 =
  14. 14.1/2 − 2/5 =
  15. 15.2/3 − 5/11 =
  16. 16.7/10 − 4/9 =
  17. 17.10/12 + 3/5 =
  18. 18.4/5 − 1/2 =
  19. 19.6/7 − 1/7 =
  20. 20.1/2 + 4/8 =
  21. 21.3/5 − 5/11 =
  22. 22.7/10 − 3/7 =
  23. 23.1/2 + 9/11 =
  24. 24.7/8 + 7/8 =
  25. 25.3/8 + 2/12 =
  26. 26.1/2 + 1/7 =
  27. 27.4/11 + 7/8 =
  28. 28.1/2 − 2/10 =
  29. 29.1/2 + 2/3 =
  30. 30.1/4 + 1/6 =
  31. 31.8/11 + 4/12 =
  32. 32.1/2 + 1/11 =
  33. 33.1/2 − 1/5 =
  34. 34.6/7 + 3/7 =
  35. 35.4/9 + 3/4 =
  36. 36.1/6 + 4/10 =
  37. 37.3/6 + 1/4 =
  38. 38.2/11 − 1/12 =
  39. 39.2/3 + 9/11 =
  40. 40.1/2 + 1/2 =

Answer key

  1. 27/28
  2. 3/22
  3. 1/2
  4. 7/10
  5. 3/14
  6. 1
  7. 17/70
  8. 5/4
  9. 7/6
  10. 5/56
  11. 3/14
  12. 17/42
  13. 5/4
  14. 1/10
  15. 7/33
  16. 23/90
  17. 43/30
  18. 3/10
  19. 5/7
  20. 1
  21. 8/55
  22. 19/70
  23. 29/22
  24. 7/4
  25. 13/24
  26. 9/14
  27. 109/88
  28. 3/10
  29. 7/6
  30. 5/12
  31. 35/33
  32. 13/22
  33. 3/10
  34. 9/7
  35. 43/36
  36. 17/30
  37. 3/4
  38. 13/132
  39. 49/33
  40. 1

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