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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 156 · 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. 1.4/5 + 3/4 =
  2. 2.4/11 + 3/10 =
  3. 3.4/5 − 1/2 =
  4. 4.2/3 + 9/11 =
  5. 5.8/10 + 1/10 =
  6. 6.3/4 − 2/4 =
  7. 7.4/6 + 3/10 =
  8. 8.5/7 − 6/12 =
  9. 9.4/6 + 3/4 =
  10. 10.6/10 − 2/7 =
  11. 11.4/8 + 3/4 =
  12. 12.1/4 + 1/3 =
  13. 13.1/2 + 1/7 =
  14. 14.1/3 + 6/9 =
  15. 15.10/12 − 2/4 =
  16. 16.2/3 + 3/8 =
  17. 17.8/9 − 2/3 =
  18. 18.5/6 + 5/9 =
  19. 19.3/4 − 3/5 =
  20. 20.3/8 − 1/10 =
  21. 21.4/6 + 1/4 =
  22. 22.2/3 − 1/2 =
  23. 23.2/3 − 2/7 =
  24. 24.5/10 + 1/2 =
  25. 25.3/5 + 8/12 =
  26. 26.2/6 + 2/6 =
  27. 27.2/3 + 4/11 =
  28. 28.2/3 − 1/5 =
  29. 29.4/5 − 1/2 =
  30. 30.2/4 + 2/3 =
  31. 31.3/5 + 1/5 =
  32. 32.7/9 − 3/9 =
  33. 33.2/8 + 3/6 =
  34. 34.2/4 + 2/3 =
  35. 35.1/12 + 3/4 =
  36. 36.8/9 − 3/9 =
  37. 37.7/11 − 1/8 =
  38. 38.1/4 + 1/2 =
  39. 39.2/3 + 1/6 =
  40. 40.1/5 + 4/6 =

Answer key

  1. 31/20
  2. 73/110
  3. 3/10
  4. 49/33
  5. 9/10
  6. 1/4
  7. 29/30
  8. 3/14
  9. 17/12
  10. 11/35
  11. 5/4
  12. 7/12
  13. 9/14
  14. 1
  15. 1/3
  16. 25/24
  17. 2/9
  18. 25/18
  19. 3/20
  20. 11/40
  21. 11/12
  22. 1/6
  23. 8/21
  24. 1
  25. 19/15
  26. 2/3
  27. 34/33
  28. 7/15
  29. 3/10
  30. 7/6
  31. 4/5
  32. 4/9
  33. 3/4
  34. 7/6
  35. 5/6
  36. 5/9
  37. 45/88
  38. 3/4
  39. 5/6
  40. 13/15

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