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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 434 · 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. 1.8/9 + 2/3 =
  2. 2.6/7 + 7/12 =
  3. 3.3/5 − 1/4 =
  4. 4.2/3 + 2/9 =
  5. 5.5/10 + 5/9 =
  6. 6.3/12 + 4/6 =
  7. 7.1/2 + 2/3 =
  8. 8.5/7 + 4/5 =
  9. 9.2/3 − 1/2 =
  10. 10.1/2 − 1/6 =
  11. 11.5/11 − 1/5 =
  12. 12.4/7 + 3/4 =
  13. 13.1/3 − 1/5 =
  14. 14.7/8 − 1/3 =
  15. 15.7/12 − 2/6 =
  16. 16.5/7 + 3/5 =
  17. 17.1/6 + 2/8 =
  18. 18.2/4 + 7/10 =
  19. 19.4/7 + 6/8 =
  20. 20.2/6 − 1/10 =
  21. 21.1/8 + 2/10 =
  22. 22.1/2 + 2/4 =
  23. 23.2/4 + 2/3 =
  24. 24.4/9 − 1/4 =
  25. 25.1/9 + 3/4 =
  26. 26.4/6 + 7/12 =
  27. 27.9/10 − 1/2 =
  28. 28.6/12 + 3/8 =
  29. 29.6/7 + 7/8 =
  30. 30.1/2 + 2/4 =
  31. 31.1/4 + 2/9 =
  32. 32.7/10 − 1/4 =
  33. 33.1/10 + 9/10 =
  34. 34.2/5 + 3/4 =
  35. 35.5/10 − 4/12 =
  36. 36.9/11 + 5/6 =
  37. 37.2/4 + 4/8 =
  38. 38.2/3 + 6/8 =
  39. 39.1/2 + 2/3 =
  40. 40.4/6 − 1/2 =

Answer key

  1. 14/9
  2. 121/84
  3. 7/20
  4. 8/9
  5. 19/18
  6. 11/12
  7. 7/6
  8. 53/35
  9. 1/6
  10. 1/3
  11. 14/55
  12. 37/28
  13. 2/15
  14. 13/24
  15. 1/4
  16. 46/35
  17. 5/12
  18. 6/5
  19. 37/28
  20. 7/30
  21. 13/40
  22. 1
  23. 7/6
  24. 7/36
  25. 31/36
  26. 5/4
  27. 2/5
  28. 7/8
  29. 97/56
  30. 1
  31. 17/36
  32. 9/20
  33. 1
  34. 23/20
  35. 1/6
  36. 109/66
  37. 1
  38. 17/12
  39. 7/6
  40. 1/6

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