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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 304 · 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. 1.2/3 + 2/3 =
  2. 2.4/5 + 2/12 =
  3. 3.7/8 − 4/10 =
  4. 4.1/6 + 1/6 =
  5. 5.3/4 − 5/9 =
  6. 6.1/2 + 8/9 =
  7. 7.5/9 + 3/4 =
  8. 8.1/4 − 1/5 =
  9. 9.5/10 + 4/11 =
  10. 10.8/10 − 2/9 =
  11. 11.1/2 + 2/3 =
  12. 12.1/2 + 1/4 =
  13. 13.5/9 + 1/3 =
  14. 14.2/3 − 5/9 =
  15. 15.7/9 + 1/12 =
  16. 16.2/7 + 3/7 =
  17. 17.1/3 + 1/3 =
  18. 18.3/4 − 2/8 =
  19. 19.2/3 + 6/12 =
  20. 20.2/5 + 1/10 =
  21. 21.6/7 + 1/4 =
  22. 22.1/2 + 7/10 =
  23. 23.8/12 − 1/7 =
  24. 24.3/9 + 3/6 =
  25. 25.1/2 + 9/12 =
  26. 26.8/12 − 3/5 =
  27. 27.4/5 + 3/12 =
  28. 28.1/2 − 1/4 =
  29. 29.6/7 + 4/6 =
  30. 30.11/12 + 1/5 =
  31. 31.6/12 − 1/4 =
  32. 32.1/5 + 5/8 =
  33. 33.2/3 + 1/9 =
  34. 34.5/11 − 1/5 =
  35. 35.5/8 + 4/12 =
  36. 36.1/6 + 1/2 =
  37. 37.2/5 + 2/3 =
  38. 38.4/12 − 1/4 =
  39. 39.6/11 − 3/6 =
  40. 40.3/8 + 7/10 =

Answer key

  1. 4/3
  2. 29/30
  3. 19/40
  4. 1/3
  5. 7/36
  6. 25/18
  7. 47/36
  8. 1/20
  9. 19/22
  10. 26/45
  11. 7/6
  12. 3/4
  13. 8/9
  14. 1/9
  15. 31/36
  16. 5/7
  17. 2/3
  18. 1/2
  19. 7/6
  20. 1/2
  21. 31/28
  22. 6/5
  23. 11/21
  24. 5/6
  25. 5/4
  26. 1/15
  27. 21/20
  28. 1/4
  29. 32/21
  30. 67/60
  31. 1/4
  32. 33/40
  33. 7/9
  34. 14/55
  35. 23/24
  36. 2/3
  37. 16/15
  38. 1/12
  39. 1/22
  40. 43/40

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