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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 189 · 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. 1.7/8 + 1/8 =
  2. 2.5/6 − 1/4 =
  3. 3.1/3 + 2/11 =
  4. 4.2/3 + 2/3 =
  5. 5.3/6 + 1/2 =
  6. 6.7/8 + 1/2 =
  7. 7.4/6 + 1/2 =
  8. 8.3/5 − 1/3 =
  9. 9.5/6 + 8/11 =
  10. 10.6/7 + 2/7 =
  11. 11.5/11 + 1/5 =
  12. 12.1/2 + 5/10 =
  13. 13.10/11 + 1/2 =
  14. 14.1/4 + 7/8 =
  15. 15.1/2 + 5/12 =
  16. 16.1/3 + 4/5 =
  17. 17.1/2 − 2/10 =
  18. 18.2/4 + 6/8 =
  19. 19.7/12 + 4/7 =
  20. 20.5/8 + 1/2 =
  21. 21.3/5 − 4/8 =
  22. 22.7/8 − 6/9 =
  23. 23.4/6 + 2/3 =
  24. 24.5/7 − 1/2 =
  25. 25.5/6 − 1/3 =
  26. 26.2/5 + 1/2 =
  27. 27.1/2 − 4/10 =
  28. 28.1/3 + 1/2 =
  29. 29.2/3 − 1/9 =
  30. 30.2/7 + 4/6 =
  31. 31.4/7 + 3/6 =
  32. 32.1/2 − 3/9 =
  33. 33.3/11 − 2/10 =
  34. 34.5/6 + 4/7 =
  35. 35.7/8 + 1/2 =
  36. 36.2/3 + 3/6 =
  37. 37.6/8 + 8/9 =
  38. 38.1/8 + 2/6 =
  39. 39.4/5 − 3/4 =
  40. 40.2/4 + 1/9 =

Answer key

  1. 1
  2. 7/12
  3. 17/33
  4. 4/3
  5. 1
  6. 11/8
  7. 7/6
  8. 4/15
  9. 103/66
  10. 8/7
  11. 36/55
  12. 1
  13. 31/22
  14. 9/8
  15. 11/12
  16. 17/15
  17. 3/10
  18. 5/4
  19. 97/84
  20. 9/8
  21. 1/10
  22. 5/24
  23. 4/3
  24. 3/14
  25. 1/2
  26. 9/10
  27. 1/10
  28. 5/6
  29. 5/9
  30. 20/21
  31. 15/14
  32. 1/6
  33. 4/55
  34. 59/42
  35. 11/8
  36. 7/6
  37. 59/36
  38. 11/24
  39. 1/20
  40. 11/18

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