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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 519 · 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. 1.2/5 + 6/7 =
  2. 2.2/3 − 2/7 =
  3. 3.2/4 − 1/3 =
  4. 4.1/2 − 1/5 =
  5. 5.1/2 + 2/11 =
  6. 6.4/6 − 1/3 =
  7. 7.5/11 − 3/9 =
  8. 8.2/7 − 1/7 =
  9. 9.1/2 − 3/10 =
  10. 10.1/4 + 2/4 =
  11. 11.4/5 + 1/2 =
  12. 12.4/7 + 1/2 =
  13. 13.2/12 + 4/9 =
  14. 14.2/4 + 1/3 =
  15. 15.2/3 + 1/2 =
  16. 16.8/10 − 7/11 =
  17. 17.9/10 + 1/12 =
  18. 18.8/10 − 1/4 =
  19. 19.1/3 + 4/8 =
  20. 20.3/4 − 2/8 =
  21. 21.5/6 − 1/10 =
  22. 22.1/2 − 2/10 =
  23. 23.5/8 + 1/3 =
  24. 24.2/5 + 2/6 =
  25. 25.3/5 − 1/12 =
  26. 26.1/2 + 7/8 =
  27. 27.3/4 + 3/5 =
  28. 28.3/4 + 3/12 =
  29. 29.7/10 + 4/12 =
  30. 30.1/5 + 4/12 =
  31. 31.6/7 − 5/8 =
  32. 32.1/2 − 2/6 =
  33. 33.2/8 + 2/3 =
  34. 34.1/5 + 1/2 =
  35. 35.4/7 + 9/11 =
  36. 36.1/2 − 1/6 =
  37. 37.4/5 − 1/2 =
  38. 38.1/3 − 1/5 =
  39. 39.7/11 − 4/7 =
  40. 40.8/9 + 1/6 =

Answer key

  1. 44/35
  2. 8/21
  3. 1/6
  4. 3/10
  5. 15/22
  6. 1/3
  7. 4/33
  8. 1/7
  9. 1/5
  10. 3/4
  11. 13/10
  12. 15/14
  13. 11/18
  14. 5/6
  15. 7/6
  16. 9/55
  17. 59/60
  18. 11/20
  19. 5/6
  20. 1/2
  21. 11/15
  22. 3/10
  23. 23/24
  24. 11/15
  25. 31/60
  26. 11/8
  27. 27/20
  28. 1
  29. 31/30
  30. 8/15
  31. 13/56
  32. 1/6
  33. 11/12
  34. 7/10
  35. 107/77
  36. 1/3
  37. 3/10
  38. 2/15
  39. 5/77
  40. 19/18

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