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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 201 · 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. 1.2/3 − 2/11 =
  2. 2.7/8 − 1/2 =
  3. 3.3/6 − 1/6 =
  4. 4.5/12 + 9/10 =
  5. 5.4/8 + 1/2 =
  6. 6.2/3 − 1/2 =
  7. 7.7/8 + 1/12 =
  8. 8.1/3 − 1/5 =
  9. 9.3/4 − 3/11 =
  10. 10.2/3 − 1/3 =
  11. 11.6/11 + 3/9 =
  12. 12.1/7 + 2/6 =
  13. 13.1/2 + 1/2 =
  14. 14.6/10 + 2/10 =
  15. 15.7/9 + 2/6 =
  16. 16.11/12 + 2/11 =
  17. 17.5/8 + 2/4 =
  18. 18.2/12 + 5/7 =
  19. 19.5/12 + 5/12 =
  20. 20.5/9 − 1/2 =
  21. 21.1/2 + 6/12 =
  22. 22.1/2 + 2/6 =
  23. 23.1/3 + 2/7 =
  24. 24.1/4 + 1/7 =
  25. 25.2/4 + 2/4 =
  26. 26.2/3 + 8/9 =
  27. 27.5/10 − 1/3 =
  28. 28.4/9 − 3/7 =
  29. 29.1/12 + 6/10 =
  30. 30.6/7 − 1/2 =
  31. 31.7/10 + 4/6 =
  32. 32.5/8 − 2/9 =
  33. 33.6/10 + 1/5 =
  34. 34.4/12 + 7/8 =
  35. 35.4/8 − 2/5 =
  36. 36.1/3 + 1/6 =
  37. 37.8/10 − 1/4 =
  38. 38.1/2 + 3/7 =
  39. 39.3/5 − 2/4 =
  40. 40.2/3 + 1/2 =

Answer key

  1. 16/33
  2. 3/8
  3. 1/3
  4. 79/60
  5. 1
  6. 1/6
  7. 23/24
  8. 2/15
  9. 21/44
  10. 1/3
  11. 29/33
  12. 10/21
  13. 1
  14. 4/5
  15. 10/9
  16. 145/132
  17. 9/8
  18. 37/42
  19. 5/6
  20. 1/18
  21. 1
  22. 5/6
  23. 13/21
  24. 11/28
  25. 1
  26. 14/9
  27. 1/6
  28. 1/63
  29. 41/60
  30. 5/14
  31. 41/30
  32. 29/72
  33. 4/5
  34. 29/24
  35. 1/10
  36. 1/2
  37. 11/20
  38. 13/14
  39. 1/10
  40. 7/6

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