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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 185 · 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. 1.6/8 + 5/12 =
  2. 2.1/4 + 4/9 =
  3. 3.3/6 + 3/6 =
  4. 4.8/11 + 2/3 =
  5. 5.6/11 − 2/4 =
  6. 6.3/5 − 1/2 =
  7. 7.3/9 − 1/5 =
  8. 8.7/8 − 5/7 =
  9. 9.6/9 + 1/5 =
  10. 10.1/4 − 1/12 =
  11. 11.1/6 + 5/12 =
  12. 12.11/12 + 2/3 =
  13. 13.8/12 + 1/3 =
  14. 14.1/2 + 4/11 =
  15. 15.1/4 + 4/9 =
  16. 16.3/11 + 2/12 =
  17. 17.4/6 + 3/4 =
  18. 18.6/9 + 3/4 =
  19. 19.3/5 − 1/4 =
  20. 20.3/5 − 3/12 =
  21. 21.2/3 + 9/12 =
  22. 22.6/8 − 1/9 =
  23. 23.2/5 − 1/3 =
  24. 24.1/2 + 1/10 =
  25. 25.4/6 − 2/12 =
  26. 26.1/3 − 2/10 =
  27. 27.1/5 + 6/11 =
  28. 28.1/3 + 2/3 =
  29. 29.5/8 + 1/6 =
  30. 30.1/2 + 2/7 =
  31. 31.10/12 + 3/7 =
  32. 32.6/8 + 1/2 =
  33. 33.3/8 + 1/5 =
  34. 34.3/4 − 4/7 =
  35. 35.1/9 + 1/3 =
  36. 36.7/11 + 1/2 =
  37. 37.3/12 + 5/6 =
  38. 38.7/11 − 1/4 =
  39. 39.3/8 + 1/5 =
  40. 40.1/3 + 1/7 =

Answer key

  1. 7/6
  2. 25/36
  3. 1
  4. 46/33
  5. 1/22
  6. 1/10
  7. 2/15
  8. 9/56
  9. 13/15
  10. 1/6
  11. 7/12
  12. 19/12
  13. 1
  14. 19/22
  15. 25/36
  16. 29/66
  17. 17/12
  18. 17/12
  19. 7/20
  20. 7/20
  21. 17/12
  22. 23/36
  23. 1/15
  24. 3/5
  25. 1/2
  26. 2/15
  27. 41/55
  28. 1
  29. 19/24
  30. 11/14
  31. 53/42
  32. 5/4
  33. 23/40
  34. 5/28
  35. 4/9
  36. 25/22
  37. 13/12
  38. 17/44
  39. 23/40
  40. 10/21

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