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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 477 · 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 − 1/5 =
  2. 2.1/3 + 2/9 =
  3. 3.8/9 − 2/3 =
  4. 4.2/3 − 2/8 =
  5. 5.4/10 − 1/10 =
  6. 6.2/4 − 1/3 =
  7. 7.8/12 + 2/3 =
  8. 8.7/9 + 1/4 =
  9. 9.3/4 − 1/8 =
  10. 10.1/4 + 6/8 =
  11. 11.11/12 − 3/5 =
  12. 12.4/7 + 3/9 =
  13. 13.1/7 + 1/2 =
  14. 14.2/3 − 5/9 =
  15. 15.1/5 + 4/6 =
  16. 16.3/7 + 1/4 =
  17. 17.2/5 + 1/8 =
  18. 18.2/8 + 3/4 =
  19. 19.1/4 − 1/6 =
  20. 20.4/10 + 1/2 =
  21. 21.4/5 + 4/5 =
  22. 22.1/2 − 2/9 =
  23. 23.3/4 + 3/7 =
  24. 24.8/10 − 3/6 =
  25. 25.1/3 + 1/2 =
  26. 26.2/3 − 1/6 =
  27. 27.1/2 − 3/8 =
  28. 28.3/4 + 8/9 =
  29. 29.1/4 + 1/10 =
  30. 30.8/10 − 3/5 =
  31. 31.1/2 + 1/2 =
  32. 32.3/11 − 1/4 =
  33. 33.2/3 + 2/3 =
  34. 34.6/7 − 5/10 =
  35. 35.5/6 − 1/2 =
  36. 36.6/11 − 3/9 =
  37. 37.4/8 + 1/2 =
  38. 38.3/6 + 1/2 =
  39. 39.5/8 − 3/10 =
  40. 40.2/6 + 1/4 =

Answer key

  1. 2/15
  2. 5/9
  3. 2/9
  4. 5/12
  5. 3/10
  6. 1/6
  7. 4/3
  8. 37/36
  9. 5/8
  10. 1
  11. 19/60
  12. 19/21
  13. 9/14
  14. 1/9
  15. 13/15
  16. 19/28
  17. 21/40
  18. 1
  19. 1/12
  20. 9/10
  21. 8/5
  22. 5/18
  23. 33/28
  24. 3/10
  25. 5/6
  26. 1/2
  27. 1/8
  28. 59/36
  29. 7/20
  30. 1/5
  31. 1
  32. 1/44
  33. 4/3
  34. 5/14
  35. 1/3
  36. 7/33
  37. 1
  38. 1
  39. 13/40
  40. 7/12

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