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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 562 · 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. 1.1/2 + 7/9 =
  2. 2.2/5 + 6/12 =
  3. 3.7/8 + 1/8 =
  4. 4.1/2 − 4/9 =
  5. 5.2/3 + 1/6 =
  6. 6.4/5 − 4/12 =
  7. 7.7/9 + 2/3 =
  8. 8.8/9 + 1/4 =
  9. 9.2/3 + 1/6 =
  10. 10.3/4 + 1/3 =
  11. 11.4/5 + 6/11 =
  12. 12.2/5 + 5/6 =
  13. 13.2/8 − 1/8 =
  14. 14.1/8 + 1/3 =
  15. 15.4/9 + 1/3 =
  16. 16.3/5 − 2/4 =
  17. 17.1/2 + 3/12 =
  18. 18.1/2 + 1/3 =
  19. 19.1/10 + 1/11 =
  20. 20.4/6 − 1/4 =
  21. 21.1/11 + 1/4 =
  22. 22.3/4 + 1/10 =
  23. 23.2/8 + 1/3 =
  24. 24.1/2 + 1/4 =
  25. 25.3/5 + 5/8 =
  26. 26.5/8 − 1/3 =
  27. 27.7/8 − 1/11 =
  28. 28.1/11 + 2/4 =
  29. 29.3/4 + 5/9 =
  30. 30.2/3 − 1/8 =
  31. 31.1/4 − 2/12 =
  32. 32.2/3 + 1/3 =
  33. 33.2/3 − 4/9 =
  34. 34.5/9 + 1/10 =
  35. 35.2/12 + 1/2 =
  36. 36.2/8 + 8/12 =
  37. 37.3/4 − 6/10 =
  38. 38.7/11 + 3/6 =
  39. 39.7/10 + 2/3 =
  40. 40.4/5 + 1/9 =

Answer key

  1. 23/18
  2. 9/10
  3. 1
  4. 1/18
  5. 5/6
  6. 7/15
  7. 13/9
  8. 41/36
  9. 5/6
  10. 13/12
  11. 74/55
  12. 37/30
  13. 1/8
  14. 11/24
  15. 7/9
  16. 1/10
  17. 3/4
  18. 5/6
  19. 21/110
  20. 5/12
  21. 15/44
  22. 17/20
  23. 7/12
  24. 3/4
  25. 49/40
  26. 7/24
  27. 69/88
  28. 13/22
  29. 47/36
  30. 13/24
  31. 1/12
  32. 1
  33. 2/9
  34. 59/90
  35. 2/3
  36. 11/12
  37. 3/20
  38. 25/22
  39. 41/30
  40. 41/45

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