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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 658 · 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. 1.3/4 − 1/3 =
  2. 2.2/3 + 4/11 =
  3. 3.3/6 − 5/12 =
  4. 4.9/12 − 1/4 =
  5. 5.5/12 + 5/9 =
  6. 6.1/4 + 2/3 =
  7. 7.6/8 + 4/6 =
  8. 8.4/7 + 1/2 =
  9. 9.4/6 + 7/10 =
  10. 10.2/5 + 4/10 =
  11. 11.1/2 + 1/2 =
  12. 12.3/6 + 4/8 =
  13. 13.2/6 + 8/9 =
  14. 14.4/8 + 2/4 =
  15. 15.3/9 − 1/12 =
  16. 16.1/5 + 3/4 =
  17. 17.2/3 − 4/10 =
  18. 18.1/2 + 1/2 =
  19. 19.7/9 + 1/4 =
  20. 20.3/5 + 1/11 =
  21. 21.1/2 + 1/2 =
  22. 22.1/11 + 3/11 =
  23. 23.2/3 + 1/2 =
  24. 24.1/2 + 3/6 =
  25. 25.1/4 + 2/9 =
  26. 26.1/3 + 2/5 =
  27. 27.10/12 + 11/12 =
  28. 28.1/11 + 2/3 =
  29. 29.5/9 + 3/10 =
  30. 30.5/6 + 2/11 =
  31. 31.1/3 + 1/11 =
  32. 32.2/3 − 3/12 =
  33. 33.3/4 + 1/10 =
  34. 34.3/5 + 1/4 =
  35. 35.2/6 + 1/3 =
  36. 36.2/3 − 4/8 =
  37. 37.1/2 − 1/3 =
  38. 38.6/7 + 2/5 =
  39. 39.10/12 − 1/3 =
  40. 40.1/2 − 3/11 =

Answer key

  1. 5/12
  2. 34/33
  3. 1/12
  4. 1/2
  5. 35/36
  6. 11/12
  7. 17/12
  8. 15/14
  9. 41/30
  10. 4/5
  11. 1
  12. 1
  13. 11/9
  14. 1
  15. 1/4
  16. 19/20
  17. 4/15
  18. 1
  19. 37/36
  20. 38/55
  21. 1
  22. 4/11
  23. 7/6
  24. 1
  25. 17/36
  26. 11/15
  27. 7/4
  28. 25/33
  29. 77/90
  30. 67/66
  31. 14/33
  32. 5/12
  33. 17/20
  34. 17/20
  35. 2/3
  36. 1/6
  37. 1/6
  38. 44/35
  39. 1/2
  40. 5/22

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