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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 54 · 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. 1.3/7 + 1/3 =
  2. 2.4/5 − 1/3 =
  3. 3.1/4 + 3/11 =
  4. 4.1/3 − 3/12 =
  5. 5.1/3 + 4/8 =
  6. 6.5/8 − 1/6 =
  7. 7.9/10 + 3/4 =
  8. 8.4/9 + 6/7 =
  9. 9.2/6 + 1/2 =
  10. 10.1/2 + 2/4 =
  11. 11.1/2 + 2/3 =
  12. 12.3/9 + 1/2 =
  13. 13.2/9 − 2/12 =
  14. 14.3/11 + 3/5 =
  15. 15.7/10 + 4/10 =
  16. 16.2/4 + 2/4 =
  17. 17.2/6 − 3/12 =
  18. 18.5/9 + 4/12 =
  19. 19.7/9 − 6/11 =
  20. 20.1/6 + 8/10 =
  21. 21.5/9 + 3/4 =
  22. 22.4/11 + 5/11 =
  23. 23.4/6 + 5/10 =
  24. 24.1/2 + 5/6 =
  25. 25.3/6 + 1/2 =
  26. 26.1/3 + 1/2 =
  27. 27.1/2 + 1/4 =
  28. 28.5/6 − 6/9 =
  29. 29.2/3 + 6/8 =
  30. 30.3/8 − 1/7 =
  31. 31.3/4 − 1/6 =
  32. 32.3/4 − 1/11 =
  33. 33.6/10 − 4/8 =
  34. 34.10/12 + 4/5 =
  35. 35.4/5 − 7/11 =
  36. 36.7/9 + 3/10 =
  37. 37.2/3 − 2/4 =
  38. 38.3/12 + 7/10 =
  39. 39.3/5 − 1/2 =
  40. 40.8/11 − 2/10 =

Answer key

  1. 16/21
  2. 7/15
  3. 23/44
  4. 1/12
  5. 5/6
  6. 11/24
  7. 33/20
  8. 82/63
  9. 5/6
  10. 1
  11. 7/6
  12. 5/6
  13. 1/18
  14. 48/55
  15. 11/10
  16. 1
  17. 1/12
  18. 8/9
  19. 23/99
  20. 29/30
  21. 47/36
  22. 9/11
  23. 7/6
  24. 4/3
  25. 1
  26. 5/6
  27. 3/4
  28. 1/6
  29. 17/12
  30. 13/56
  31. 7/12
  32. 29/44
  33. 1/10
  34. 49/30
  35. 9/55
  36. 97/90
  37. 1/6
  38. 19/20
  39. 1/10
  40. 29/55

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