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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 858 · 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. 1.8/10 + 5/7 =
  2. 2.1/2 + 5/6 =
  3. 3.2/6 + 3/6 =
  4. 4.2/3 − 3/5 =
  5. 5.5/7 + 1/4 =
  6. 6.1/7 + 2/12 =
  7. 7.2/4 + 3/4 =
  8. 8.6/12 + 1/2 =
  9. 9.1/2 + 5/6 =
  10. 10.2/4 + 1/8 =
  11. 11.1/8 + 6/8 =
  12. 12.5/7 − 1/2 =
  13. 13.5/8 − 2/11 =
  14. 14.5/10 + 1/5 =
  15. 15.3/4 + 1/2 =
  16. 16.5/6 + 3/11 =
  17. 17.1/8 + 1/2 =
  18. 18.1/2 + 1/2 =
  19. 19.1/2 − 2/7 =
  20. 20.3/4 − 2/3 =
  21. 21.10/12 + 3/4 =
  22. 22.1/3 + 1/5 =
  23. 23.1/2 + 3/4 =
  24. 24.2/3 − 1/2 =
  25. 25.7/9 − 2/3 =
  26. 26.7/12 + 2/5 =
  27. 27.1/3 + 4/11 =
  28. 28.1/2 + 3/4 =
  29. 29.2/4 + 2/7 =
  30. 30.3/12 + 1/10 =
  31. 31.4/5 − 1/6 =
  32. 32.4/5 − 1/3 =
  33. 33.1/6 + 1/5 =
  34. 34.2/3 + 5/10 =
  35. 35.1/2 + 7/8 =
  36. 36.1/4 + 5/12 =
  37. 37.1/2 − 1/12 =
  38. 38.3/6 − 1/8 =
  39. 39.2/6 − 1/5 =
  40. 40.1/3 − 1/12 =

Answer key

  1. 53/35
  2. 4/3
  3. 5/6
  4. 1/15
  5. 27/28
  6. 13/42
  7. 5/4
  8. 1
  9. 4/3
  10. 5/8
  11. 7/8
  12. 3/14
  13. 39/88
  14. 7/10
  15. 5/4
  16. 73/66
  17. 5/8
  18. 1
  19. 3/14
  20. 1/12
  21. 19/12
  22. 8/15
  23. 5/4
  24. 1/6
  25. 1/9
  26. 59/60
  27. 23/33
  28. 5/4
  29. 11/14
  30. 7/20
  31. 19/30
  32. 7/15
  33. 11/30
  34. 7/6
  35. 11/8
  36. 2/3
  37. 5/12
  38. 3/8
  39. 2/15
  40. 1/4

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