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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 466 · 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. 1.8/11 + 3/6 =
  2. 2.2/3 − 5/12 =
  3. 3.3/4 − 1/10 =
  4. 4.11/12 + 3/4 =
  5. 5.8/10 + 7/12 =
  6. 6.1/2 + 2/3 =
  7. 7.2/3 + 1/4 =
  8. 8.1/4 + 3/6 =
  9. 9.1/2 − 1/7 =
  10. 10.9/11 + 2/3 =
  11. 11.3/4 + 3/12 =
  12. 12.2/3 − 1/2 =
  13. 13.3/7 + 1/11 =
  14. 14.1/3 + 2/7 =
  15. 15.2/3 + 5/11 =
  16. 16.2/12 + 2/6 =
  17. 17.2/10 + 5/6 =
  18. 18.1/2 + 3/11 =
  19. 19.2/3 − 2/4 =
  20. 20.4/7 + 10/12 =
  21. 21.2/12 + 1/3 =
  22. 22.1/2 − 2/11 =
  23. 23.3/9 − 1/5 =
  24. 24.2/12 + 4/10 =
  25. 25.4/5 + 1/4 =
  26. 26.1/2 + 3/6 =
  27. 27.2/9 + 3/8 =
  28. 28.5/12 + 1/5 =
  29. 29.2/4 + 5/7 =
  30. 30.5/7 + 1/2 =
  31. 31.6/7 − 2/3 =
  32. 32.1/2 + 2/5 =
  33. 33.3/4 + 2/3 =
  34. 34.2/7 + 8/9 =
  35. 35.1/2 + 6/11 =
  36. 36.5/7 + 1/5 =
  37. 37.1/2 + 1/4 =
  38. 38.8/9 + 7/8 =
  39. 39.1/2 − 1/4 =
  40. 40.3/8 − 1/3 =

Answer key

  1. 27/22
  2. 1/4
  3. 13/20
  4. 5/3
  5. 83/60
  6. 7/6
  7. 11/12
  8. 3/4
  9. 5/14
  10. 49/33
  11. 1
  12. 1/6
  13. 40/77
  14. 13/21
  15. 37/33
  16. 1/2
  17. 31/30
  18. 17/22
  19. 1/6
  20. 59/42
  21. 1/2
  22. 7/22
  23. 2/15
  24. 17/30
  25. 21/20
  26. 1
  27. 43/72
  28. 37/60
  29. 17/14
  30. 17/14
  31. 4/21
  32. 9/10
  33. 17/12
  34. 74/63
  35. 23/22
  36. 32/35
  37. 3/4
  38. 127/72
  39. 1/4
  40. 1/24

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