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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 232 · 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. 1.3/5 + 3/5 =
  2. 2.7/8 + 3/9 =
  3. 3.1/10 + 3/7 =
  4. 4.2/5 + 3/6 =
  5. 5.5/10 − 2/12 =
  6. 6.7/10 + 1/4 =
  7. 7.10/12 − 2/3 =
  8. 8.4/6 + 1/2 =
  9. 9.3/5 + 7/11 =
  10. 10.1/2 + 1/2 =
  11. 11.1/7 − 1/11 =
  12. 12.7/8 + 4/6 =
  13. 13.7/8 + 6/7 =
  14. 14.1/5 + 2/7 =
  15. 15.2/11 + 7/10 =
  16. 16.1/5 + 1/7 =
  17. 17.2/3 + 2/10 =
  18. 18.4/6 + 3/12 =
  19. 19.3/5 − 3/12 =
  20. 20.2/5 + 6/7 =
  21. 21.4/11 + 3/4 =
  22. 22.2/5 + 6/12 =
  23. 23.7/9 − 2/5 =
  24. 24.1/2 + 1/4 =
  25. 25.4/10 − 1/4 =
  26. 26.4/6 − 6/11 =
  27. 27.3/8 − 1/3 =
  28. 28.7/8 + 2/6 =
  29. 29.4/12 + 7/8 =
  30. 30.4/5 − 2/7 =
  31. 31.4/8 + 4/5 =
  32. 32.4/7 + 10/12 =
  33. 33.1/2 + 3/5 =
  34. 34.4/12 + 9/10 =
  35. 35.3/5 − 1/5 =
  36. 36.3/4 + 1/8 =
  37. 37.1/3 − 1/6 =
  38. 38.8/9 − 1/3 =
  39. 39.2/4 + 1/8 =
  40. 40.1/11 + 3/4 =

Answer key

  1. 6/5
  2. 29/24
  3. 37/70
  4. 9/10
  5. 1/3
  6. 19/20
  7. 1/6
  8. 7/6
  9. 68/55
  10. 1
  11. 4/77
  12. 37/24
  13. 97/56
  14. 17/35
  15. 97/110
  16. 12/35
  17. 13/15
  18. 11/12
  19. 7/20
  20. 44/35
  21. 49/44
  22. 9/10
  23. 17/45
  24. 3/4
  25. 3/20
  26. 4/33
  27. 1/24
  28. 29/24
  29. 29/24
  30. 18/35
  31. 13/10
  32. 59/42
  33. 11/10
  34. 37/30
  35. 2/5
  36. 7/8
  37. 1/6
  38. 5/9
  39. 5/8
  40. 37/44

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