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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 772 · 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. 1.9/11 − 1/3 =
  2. 2.5/8 + 3/4 =
  3. 3.8/10 + 1/3 =
  4. 4.2/3 − 6/12 =
  5. 5.2/4 − 2/5 =
  6. 6.2/9 + 1/3 =
  7. 7.1/6 + 1/2 =
  8. 8.2/3 + 1/7 =
  9. 9.1/2 + 1/5 =
  10. 10.4/11 + 5/11 =
  11. 11.8/9 − 4/10 =
  12. 12.6/8 + 1/5 =
  13. 13.8/10 + 5/11 =
  14. 14.4/5 + 2/3 =
  15. 15.7/8 − 2/3 =
  16. 16.5/7 + 4/6 =
  17. 17.1/3 − 1/8 =
  18. 18.1/3 − 1/6 =
  19. 19.1/2 + 2/4 =
  20. 20.5/6 + 1/11 =
  21. 21.5/7 − 1/3 =
  22. 22.6/11 + 3/5 =
  23. 23.6/8 + 8/9 =
  24. 24.3/5 + 1/3 =
  25. 25.1/3 + 3/4 =
  26. 26.7/12 + 4/5 =
  27. 27.9/12 + 4/6 =
  28. 28.1/2 + 1/4 =
  29. 29.2/4 + 2/5 =
  30. 30.2/4 + 1/7 =
  31. 31.2/3 − 4/10 =
  32. 32.8/12 + 2/3 =
  33. 33.1/4 + 2/3 =
  34. 34.1/4 + 5/6 =
  35. 35.2/3 + 1/9 =
  36. 36.2/5 + 4/6 =
  37. 37.5/10 + 2/4 =
  38. 38.2/3 + 1/2 =
  39. 39.9/10 + 2/3 =
  40. 40.1/5 + 1/3 =

Answer key

  1. 16/33
  2. 11/8
  3. 17/15
  4. 1/6
  5. 1/10
  6. 5/9
  7. 2/3
  8. 17/21
  9. 7/10
  10. 9/11
  11. 22/45
  12. 19/20
  13. 69/55
  14. 22/15
  15. 5/24
  16. 29/21
  17. 5/24
  18. 1/6
  19. 1
  20. 61/66
  21. 8/21
  22. 63/55
  23. 59/36
  24. 14/15
  25. 13/12
  26. 83/60
  27. 17/12
  28. 3/4
  29. 9/10
  30. 9/14
  31. 4/15
  32. 4/3
  33. 11/12
  34. 13/12
  35. 7/9
  36. 16/15
  37. 1
  38. 7/6
  39. 47/30
  40. 8/15

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