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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 139 · 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. 1.2/4 + 1/2 =
  2. 2.4/6 + 2/4 =
  3. 3.6/9 − 1/9 =
  4. 4.6/9 − 1/2 =
  5. 5.4/6 + 5/6 =
  6. 6.6/9 + 2/3 =
  7. 7.1/3 + 7/9 =
  8. 8.10/11 + 9/11 =
  9. 9.2/4 + 1/2 =
  10. 10.2/4 − 2/9 =
  11. 11.4/7 + 2/7 =
  12. 12.1/3 + 1/4 =
  13. 13.9/10 + 1/4 =
  14. 14.4/8 + 2/5 =
  15. 15.5/6 − 2/12 =
  16. 16.3/5 + 5/6 =
  17. 17.3/4 + 4/10 =
  18. 18.4/6 + 4/7 =
  19. 19.7/8 − 1/2 =
  20. 20.5/11 − 1/6 =
  21. 21.4/10 + 1/2 =
  22. 22.1/9 + 1/6 =
  23. 23.1/6 + 1/2 =
  24. 24.2/5 + 2/7 =
  25. 25.7/8 + 3/4 =
  26. 26.8/11 − 1/2 =
  27. 27.4/11 + 4/11 =
  28. 28.7/11 − 1/10 =
  29. 29.2/3 + 4/6 =
  30. 30.5/12 − 1/6 =
  31. 31.1/3 + 8/12 =
  32. 32.1/4 + 4/12 =
  33. 33.5/10 − 3/10 =
  34. 34.2/3 + 2/3 =
  35. 35.9/10 + 1/4 =
  36. 36.1/7 + 2/4 =
  37. 37.3/4 + 1/3 =
  38. 38.2/3 + 4/6 =
  39. 39.3/5 − 2/8 =
  40. 40.1/3 − 1/5 =

Answer key

  1. 1
  2. 7/6
  3. 5/9
  4. 1/6
  5. 3/2
  6. 4/3
  7. 10/9
  8. 19/11
  9. 1
  10. 5/18
  11. 6/7
  12. 7/12
  13. 23/20
  14. 9/10
  15. 2/3
  16. 43/30
  17. 23/20
  18. 26/21
  19. 3/8
  20. 19/66
  21. 9/10
  22. 5/18
  23. 2/3
  24. 24/35
  25. 13/8
  26. 5/22
  27. 8/11
  28. 59/110
  29. 4/3
  30. 1/4
  31. 1
  32. 7/12
  33. 1/5
  34. 4/3
  35. 23/20
  36. 9/14
  37. 13/12
  38. 4/3
  39. 7/20
  40. 2/15

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