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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 389 · 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. 1.2/4 + 6/12 =
  2. 2.1/5 + 4/9 =
  3. 3.4/5 + 3/10 =
  4. 4.2/8 − 1/8 =
  5. 5.2/3 + 1/2 =
  6. 6.1/2 + 9/10 =
  7. 7.1/2 + 4/11 =
  8. 8.1/2 + 1/10 =
  9. 9.3/7 + 1/4 =
  10. 10.5/7 + 1/6 =
  11. 11.1/2 + 1/2 =
  12. 12.5/12 − 2/10 =
  13. 13.5/6 − 1/2 =
  14. 14.4/11 − 3/10 =
  15. 15.6/11 + 1/5 =
  16. 16.3/5 − 1/6 =
  17. 17.3/11 + 3/4 =
  18. 18.1/3 − 1/5 =
  19. 19.4/6 − 4/8 =
  20. 20.2/6 + 2/3 =
  21. 21.11/12 + 3/5 =
  22. 22.5/6 + 2/12 =
  23. 23.4/8 − 3/7 =
  24. 24.2/3 − 4/9 =
  25. 25.1/6 + 2/5 =
  26. 26.6/12 + 2/5 =
  27. 27.9/10 − 8/12 =
  28. 28.1/3 + 4/5 =
  29. 29.5/7 + 5/6 =
  30. 30.6/10 − 1/2 =
  31. 31.7/9 − 2/5 =
  32. 32.1/5 + 1/9 =
  33. 33.3/10 − 1/8 =
  34. 34.3/4 + 2/7 =
  35. 35.2/4 − 1/3 =
  36. 36.1/8 + 1/12 =
  37. 37.4/5 − 3/5 =
  38. 38.3/4 − 1/5 =
  39. 39.1/2 + 4/10 =
  40. 40.1/2 − 4/11 =

Answer key

  1. 1
  2. 29/45
  3. 11/10
  4. 1/8
  5. 7/6
  6. 7/5
  7. 19/22
  8. 3/5
  9. 19/28
  10. 37/42
  11. 1
  12. 13/60
  13. 1/3
  14. 7/110
  15. 41/55
  16. 13/30
  17. 45/44
  18. 2/15
  19. 1/6
  20. 1
  21. 91/60
  22. 1
  23. 1/14
  24. 2/9
  25. 17/30
  26. 9/10
  27. 7/30
  28. 17/15
  29. 65/42
  30. 1/10
  31. 17/45
  32. 14/45
  33. 7/40
  34. 29/28
  35. 1/6
  36. 5/24
  37. 1/5
  38. 11/20
  39. 9/10
  40. 3/22

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