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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 532 · 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. 1.1/3 + 1/2 =
  2. 2.9/11 − 2/3 =
  3. 3.1/6 + 1/2 =
  4. 4.9/11 − 1/2 =
  5. 5.7/12 − 1/2 =
  6. 6.7/9 − 1/3 =
  7. 7.2/8 − 1/11 =
  8. 8.4/7 − 1/2 =
  9. 9.4/10 + 3/5 =
  10. 10.2/9 + 1/8 =
  11. 11.1/5 + 1/7 =
  12. 12.7/11 + 2/4 =
  13. 13.6/8 − 2/3 =
  14. 14.9/10 − 1/3 =
  15. 15.3/5 + 2/6 =
  16. 16.5/12 + 1/5 =
  17. 17.6/12 − 1/7 =
  18. 18.3/7 + 9/10 =
  19. 19.8/11 − 1/4 =
  20. 20.1/2 + 2/5 =
  21. 21.1/4 + 2/3 =
  22. 22.2/4 + 1/4 =
  23. 23.1/6 + 2/4 =
  24. 24.1/4 + 1/7 =
  25. 25.1/2 + 1/2 =
  26. 26.2/11 + 1/12 =
  27. 27.3/9 − 2/8 =
  28. 28.7/10 + 5/9 =
  29. 29.1/4 + 2/5 =
  30. 30.6/8 − 2/4 =
  31. 31.1/2 + 1/2 =
  32. 32.2/7 + 4/7 =
  33. 33.1/2 − 2/5 =
  34. 34.1/3 + 1/4 =
  35. 35.10/11 − 2/6 =
  36. 36.1/12 + 3/5 =
  37. 37.6/8 − 1/5 =
  38. 38.11/12 − 1/2 =
  39. 39.1/3 + 3/11 =
  40. 40.5/7 − 1/7 =

Answer key

  1. 5/6
  2. 5/33
  3. 2/3
  4. 7/22
  5. 1/12
  6. 4/9
  7. 7/44
  8. 1/14
  9. 1
  10. 25/72
  11. 12/35
  12. 25/22
  13. 1/12
  14. 17/30
  15. 14/15
  16. 37/60
  17. 5/14
  18. 93/70
  19. 21/44
  20. 9/10
  21. 11/12
  22. 3/4
  23. 2/3
  24. 11/28
  25. 1
  26. 35/132
  27. 1/12
  28. 113/90
  29. 13/20
  30. 1/4
  31. 1
  32. 6/7
  33. 1/10
  34. 7/12
  35. 19/33
  36. 41/60
  37. 11/20
  38. 5/12
  39. 20/33
  40. 4/7

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