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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 873 · 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. 1.6/7 − 2/3 =
  2. 2.3/9 + 3/6 =
  3. 3.2/10 + 2/9 =
  4. 4.2/6 + 1/3 =
  5. 5.2/3 − 1/2 =
  6. 6.2/3 − 6/11 =
  7. 7.6/11 + 9/12 =
  8. 8.3/4 − 2/3 =
  9. 9.4/5 − 3/4 =
  10. 10.5/12 + 3/6 =
  11. 11.2/8 − 1/5 =
  12. 12.2/6 − 1/5 =
  13. 13.8/10 + 2/10 =
  14. 14.9/12 − 5/8 =
  15. 15.2/5 + 1/11 =
  16. 16.5/7 + 1/10 =
  17. 17.1/5 + 4/5 =
  18. 18.1/12 + 2/3 =
  19. 19.1/12 + 2/4 =
  20. 20.4/6 − 3/6 =
  21. 21.4/5 − 1/3 =
  22. 22.4/7 − 2/4 =
  23. 23.2/10 + 2/8 =
  24. 24.5/7 + 2/4 =
  25. 25.2/6 + 1/11 =
  26. 26.1/6 + 1/3 =
  27. 27.1/2 − 1/4 =
  28. 28.3/12 + 4/8 =
  29. 29.3/10 + 6/10 =
  30. 30.1/3 + 1/2 =
  31. 31.1/2 − 1/4 =
  32. 32.7/9 + 2/6 =
  33. 33.1/3 + 6/11 =
  34. 34.1/7 + 1/2 =
  35. 35.6/9 − 4/9 =
  36. 36.2/7 + 6/8 =
  37. 37.4/6 + 6/7 =
  38. 38.4/9 + 11/12 =
  39. 39.6/7 + 5/12 =
  40. 40.7/9 + 1/3 =

Answer key

  1. 4/21
  2. 5/6
  3. 19/45
  4. 2/3
  5. 1/6
  6. 4/33
  7. 57/44
  8. 1/12
  9. 1/20
  10. 11/12
  11. 1/20
  12. 2/15
  13. 1
  14. 1/8
  15. 27/55
  16. 57/70
  17. 1
  18. 3/4
  19. 7/12
  20. 1/6
  21. 7/15
  22. 1/14
  23. 9/20
  24. 17/14
  25. 14/33
  26. 1/2
  27. 1/4
  28. 3/4
  29. 9/10
  30. 5/6
  31. 1/4
  32. 10/9
  33. 29/33
  34. 9/14
  35. 2/9
  36. 29/28
  37. 32/21
  38. 49/36
  39. 107/84
  40. 10/9

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