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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 238 · 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. 1.1/11 + 4/6 =
  2. 2.1/8 + 7/9 =
  3. 3.7/9 − 1/2 =
  4. 4.2/3 + 1/2 =
  5. 5.5/10 + 1/2 =
  6. 6.2/4 + 9/11 =
  7. 7.1/4 + 2/11 =
  8. 8.3/4 + 1/7 =
  9. 9.6/8 − 1/7 =
  10. 10.3/9 − 2/8 =
  11. 11.4/6 − 7/12 =
  12. 12.2/9 + 6/11 =
  13. 13.5/10 − 1/3 =
  14. 14.8/10 − 1/2 =
  15. 15.1/5 + 10/11 =
  16. 16.3/11 + 10/12 =
  17. 17.9/12 − 1/2 =
  18. 18.3/5 + 1/4 =
  19. 19.2/3 + 1/3 =
  20. 20.3/5 − 3/6 =
  21. 21.9/12 + 9/11 =
  22. 22.2/6 + 7/10 =
  23. 23.10/12 + 1/12 =
  24. 24.3/4 − 4/7 =
  25. 25.8/10 − 1/2 =
  26. 26.5/8 + 7/8 =
  27. 27.2/3 + 8/12 =
  28. 28.2/5 − 2/10 =
  29. 29.5/6 + 1/3 =
  30. 30.5/9 − 4/8 =
  31. 31.1/8 + 3/5 =
  32. 32.2/4 + 4/5 =
  33. 33.1/3 + 1/3 =
  34. 34.5/12 + 2/10 =
  35. 35.1/11 + 1/11 =
  36. 36.3/4 + 9/10 =
  37. 37.4/5 − 2/10 =
  38. 38.2/3 − 3/8 =
  39. 39.2/7 + 2/7 =
  40. 40.2/3 + 2/8 =

Answer key

  1. 25/33
  2. 65/72
  3. 5/18
  4. 7/6
  5. 1
  6. 29/22
  7. 19/44
  8. 25/28
  9. 17/28
  10. 1/12
  11. 1/12
  12. 76/99
  13. 1/6
  14. 3/10
  15. 61/55
  16. 73/66
  17. 1/4
  18. 17/20
  19. 1
  20. 1/10
  21. 69/44
  22. 31/30
  23. 11/12
  24. 5/28
  25. 3/10
  26. 3/2
  27. 4/3
  28. 1/5
  29. 7/6
  30. 1/18
  31. 29/40
  32. 13/10
  33. 2/3
  34. 37/60
  35. 2/11
  36. 33/20
  37. 3/5
  38. 7/24
  39. 4/7
  40. 11/12

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