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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 270 · 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. 1.1/2 + 2/3 =
  2. 2.1/2 + 1/2 =
  3. 3.3/11 + 3/12 =
  4. 4.6/8 − 3/6 =
  5. 5.8/11 − 1/8 =
  6. 6.2/3 + 3/7 =
  7. 7.5/11 + 1/3 =
  8. 8.1/2 + 3/6 =
  9. 9.5/7 − 1/2 =
  10. 10.1/3 + 2/8 =
  11. 11.3/4 − 1/2 =
  12. 12.11/12 + 4/5 =
  13. 13.6/11 + 1/5 =
  14. 14.1/2 + 4/6 =
  15. 15.4/9 + 2/6 =
  16. 16.1/2 + 1/4 =
  17. 17.1/5 + 1/10 =
  18. 18.1/3 + 3/4 =
  19. 19.1/2 + 4/6 =
  20. 20.4/6 + 4/10 =
  21. 21.5/7 + 3/8 =
  22. 22.6/12 + 3/7 =
  23. 23.3/4 + 1/2 =
  24. 24.10/11 − 1/7 =
  25. 25.4/11 − 1/6 =
  26. 26.4/5 + 1/3 =
  27. 27.2/3 + 1/4 =
  28. 28.3/9 − 2/7 =
  29. 29.1/4 + 2/3 =
  30. 30.6/8 + 4/5 =
  31. 31.3/5 − 2/5 =
  32. 32.2/3 + 4/8 =
  33. 33.1/2 + 4/5 =
  34. 34.1/2 − 2/6 =
  35. 35.1/3 + 2/6 =
  36. 36.2/5 + 3/10 =
  37. 37.3/4 + 4/6 =
  38. 38.2/3 − 1/2 =
  39. 39.4/5 − 3/10 =
  40. 40.3/6 + 1/3 =

Answer key

  1. 7/6
  2. 1
  3. 23/44
  4. 1/4
  5. 53/88
  6. 23/21
  7. 26/33
  8. 1
  9. 3/14
  10. 7/12
  11. 1/4
  12. 103/60
  13. 41/55
  14. 7/6
  15. 7/9
  16. 3/4
  17. 3/10
  18. 13/12
  19. 7/6
  20. 16/15
  21. 61/56
  22. 13/14
  23. 5/4
  24. 59/77
  25. 13/66
  26. 17/15
  27. 11/12
  28. 1/21
  29. 11/12
  30. 31/20
  31. 1/5
  32. 7/6
  33. 13/10
  34. 1/6
  35. 2/3
  36. 7/10
  37. 17/12
  38. 1/6
  39. 1/2
  40. 5/6

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