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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 542 · 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. 1.6/11 − 1/3 =
  2. 2.3/9 − 2/8 =
  3. 3.8/10 + 1/2 =
  4. 4.5/8 − 1/5 =
  5. 5.4/6 − 4/7 =
  6. 6.5/7 + 3/6 =
  7. 7.2/9 + 8/12 =
  8. 8.7/10 + 1/2 =
  9. 9.5/9 + 1/4 =
  10. 10.4/11 − 2/6 =
  11. 11.5/10 − 1/6 =
  12. 12.2/3 + 4/7 =
  13. 13.2/6 − 1/5 =
  14. 14.1/7 + 1/2 =
  15. 15.1/4 + 7/9 =
  16. 16.11/12 − 3/4 =
  17. 17.9/10 − 4/5 =
  18. 18.3/6 + 2/3 =
  19. 19.3/4 − 1/6 =
  20. 20.3/7 + 2/7 =
  21. 21.1/5 + 8/9 =
  22. 22.6/11 + 10/12 =
  23. 23.6/8 + 2/4 =
  24. 24.1/6 − 1/9 =
  25. 25.1/2 − 4/10 =
  26. 26.1/7 + 9/11 =
  27. 27.2/11 + 1/4 =
  28. 28.3/10 − 1/10 =
  29. 29.8/9 − 4/10 =
  30. 30.6/12 + 2/4 =
  31. 31.1/2 + 1/2 =
  32. 32.1/4 + 1/5 =
  33. 33.3/4 + 3/10 =
  34. 34.2/3 − 1/3 =
  35. 35.8/10 − 2/4 =
  36. 36.2/10 + 1/8 =
  37. 37.1/11 + 10/12 =
  38. 38.1/2 − 1/5 =
  39. 39.6/11 − 1/2 =
  40. 40.4/9 + 10/12 =

Answer key

  1. 7/33
  2. 1/12
  3. 13/10
  4. 17/40
  5. 2/21
  6. 17/14
  7. 8/9
  8. 6/5
  9. 29/36
  10. 1/33
  11. 1/3
  12. 26/21
  13. 2/15
  14. 9/14
  15. 37/36
  16. 1/6
  17. 1/10
  18. 7/6
  19. 7/12
  20. 5/7
  21. 49/45
  22. 91/66
  23. 5/4
  24. 1/18
  25. 1/10
  26. 74/77
  27. 19/44
  28. 1/5
  29. 22/45
  30. 1
  31. 1
  32. 9/20
  33. 21/20
  34. 1/3
  35. 3/10
  36. 13/40
  37. 61/66
  38. 3/10
  39. 1/22
  40. 23/18

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