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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 493 · 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. 1.3/5 + 1/6 =
  2. 2.7/11 − 1/2 =
  3. 3.2/3 − 4/7 =
  4. 4.2/9 + 1/2 =
  5. 5.1/11 + 2/9 =
  6. 6.3/5 + 1/9 =
  7. 7.4/8 − 1/4 =
  8. 8.7/9 + 1/2 =
  9. 9.1/4 + 1/10 =
  10. 10.9/10 + 1/3 =
  11. 11.1/2 + 3/4 =
  12. 12.1/2 + 1/4 =
  13. 13.8/11 − 4/8 =
  14. 14.7/8 + 2/3 =
  15. 15.2/6 + 3/4 =
  16. 16.1/2 − 1/4 =
  17. 17.5/7 − 7/11 =
  18. 18.9/11 − 4/10 =
  19. 19.1/3 + 2/3 =
  20. 20.1/11 + 8/9 =
  21. 21.3/4 − 1/2 =
  22. 22.1/4 + 1/9 =
  23. 23.3/9 + 5/6 =
  24. 24.1/2 − 1/4 =
  25. 25.2/5 − 1/3 =
  26. 26.3/9 + 1/5 =
  27. 27.3/4 − 2/4 =
  28. 28.1/3 − 1/5 =
  29. 29.1/2 − 2/9 =
  30. 30.2/4 − 5/12 =
  31. 31.5/7 + 1/3 =
  32. 32.1/4 + 2/9 =
  33. 33.5/6 + 5/6 =
  34. 34.3/5 + 1/2 =
  35. 35.1/11 + 1/6 =
  36. 36.1/3 + 3/10 =
  37. 37.1/3 − 1/9 =
  38. 38.3/5 + 5/12 =
  39. 39.3/7 + 1/3 =
  40. 40.1/2 + 1/3 =

Answer key

  1. 23/30
  2. 3/22
  3. 2/21
  4. 13/18
  5. 31/99
  6. 32/45
  7. 1/4
  8. 23/18
  9. 7/20
  10. 37/30
  11. 5/4
  12. 3/4
  13. 5/22
  14. 37/24
  15. 13/12
  16. 1/4
  17. 6/77
  18. 23/55
  19. 1
  20. 97/99
  21. 1/4
  22. 13/36
  23. 7/6
  24. 1/4
  25. 1/15
  26. 8/15
  27. 1/4
  28. 2/15
  29. 5/18
  30. 1/12
  31. 22/21
  32. 17/36
  33. 5/3
  34. 11/10
  35. 17/66
  36. 19/30
  37. 2/9
  38. 61/60
  39. 16/21
  40. 5/6

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