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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 121 · 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. 1.8/12 + 1/9 =
  2. 2.6/8 − 4/12 =
  3. 3.2/3 + 3/4 =
  4. 4.6/8 − 2/4 =
  5. 5.5/6 + 8/12 =
  6. 6.1/5 + 1/3 =
  7. 7.2/5 − 1/4 =
  8. 8.4/12 − 2/10 =
  9. 9.3/4 − 1/2 =
  10. 10.2/3 + 1/2 =
  11. 11.1/2 + 3/5 =
  12. 12.3/5 + 6/11 =
  13. 13.3/7 + 9/10 =
  14. 14.8/10 − 4/6 =
  15. 15.3/6 − 1/4 =
  16. 16.1/3 + 1/3 =
  17. 17.4/7 − 1/2 =
  18. 18.7/9 − 1/4 =
  19. 19.4/10 + 1/2 =
  20. 20.4/5 + 9/10 =
  21. 21.2/3 − 2/4 =
  22. 22.1/5 + 2/11 =
  23. 23.1/2 + 2/3 =
  24. 24.8/9 − 3/4 =
  25. 25.2/3 + 1/5 =
  26. 26.1/2 − 1/8 =
  27. 27.2/3 − 2/8 =
  28. 28.4/9 + 6/12 =
  29. 29.3/6 − 4/12 =
  30. 30.2/6 + 4/5 =
  31. 31.1/2 + 1/2 =
  32. 32.1/4 + 10/11 =
  33. 33.2/9 + 7/12 =
  34. 34.2/6 + 2/5 =
  35. 35.6/8 + 8/9 =
  36. 36.8/10 − 3/5 =
  37. 37.1/3 − 1/4 =
  38. 38.7/9 + 2/3 =
  39. 39.5/10 + 5/8 =
  40. 40.2/3 + 5/6 =

Answer key

  1. 7/9
  2. 5/12
  3. 17/12
  4. 1/4
  5. 3/2
  6. 8/15
  7. 3/20
  8. 2/15
  9. 1/4
  10. 7/6
  11. 11/10
  12. 63/55
  13. 93/70
  14. 2/15
  15. 1/4
  16. 2/3
  17. 1/14
  18. 19/36
  19. 9/10
  20. 17/10
  21. 1/6
  22. 21/55
  23. 7/6
  24. 5/36
  25. 13/15
  26. 3/8
  27. 5/12
  28. 17/18
  29. 1/6
  30. 17/15
  31. 1
  32. 51/44
  33. 29/36
  34. 11/15
  35. 59/36
  36. 1/5
  37. 1/12
  38. 13/9
  39. 9/8
  40. 3/2

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