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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 610 · 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. 1.2/4 + 1/4 =
  2. 2.5/9 − 1/7 =
  3. 3.8/12 + 5/10 =
  4. 4.10/11 − 4/5 =
  5. 5.6/12 − 1/5 =
  6. 6.1/3 + 1/11 =
  7. 7.2/11 + 2/3 =
  8. 8.2/11 + 1/3 =
  9. 9.7/12 − 1/8 =
  10. 10.1/2 + 4/5 =
  11. 11.3/4 + 2/10 =
  12. 12.4/7 + 5/12 =
  13. 13.3/6 − 1/5 =
  14. 14.2/7 + 2/6 =
  15. 15.2/3 − 1/4 =
  16. 16.4/5 + 1/2 =
  17. 17.5/10 + 4/7 =
  18. 18.1/4 + 2/12 =
  19. 19.2/8 + 1/3 =
  20. 20.9/11 − 3/4 =
  21. 21.1/3 + 1/5 =
  22. 22.1/3 − 1/10 =
  23. 23.5/6 − 3/4 =
  24. 24.1/7 + 9/10 =
  25. 25.9/12 − 2/5 =
  26. 26.1/2 − 4/10 =
  27. 27.6/10 − 1/4 =
  28. 28.1/5 + 1/6 =
  29. 29.3/4 + 2/3 =
  30. 30.8/9 − 9/12 =
  31. 31.2/3 + 4/11 =
  32. 32.2/3 + 8/9 =
  33. 33.9/12 − 1/2 =
  34. 34.1/2 + 5/6 =
  35. 35.6/7 − 2/5 =
  36. 36.2/12 + 2/5 =
  37. 37.7/11 − 1/3 =
  38. 38.2/12 + 3/7 =
  39. 39.2/4 + 1/4 =
  40. 40.10/11 − 8/10 =

Answer key

  1. 3/4
  2. 26/63
  3. 7/6
  4. 6/55
  5. 3/10
  6. 14/33
  7. 28/33
  8. 17/33
  9. 11/24
  10. 13/10
  11. 19/20
  12. 83/84
  13. 3/10
  14. 13/21
  15. 5/12
  16. 13/10
  17. 15/14
  18. 5/12
  19. 7/12
  20. 3/44
  21. 8/15
  22. 7/30
  23. 1/12
  24. 73/70
  25. 7/20
  26. 1/10
  27. 7/20
  28. 11/30
  29. 17/12
  30. 5/36
  31. 34/33
  32. 14/9
  33. 1/4
  34. 4/3
  35. 16/35
  36. 17/30
  37. 10/33
  38. 25/42
  39. 3/4
  40. 6/55

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