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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 679 · 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. 1.5/8 − 2/8 =
  2. 2.1/3 + 1/12 =
  3. 3.1/2 + 4/6 =
  4. 4.2/5 + 4/12 =
  5. 5.8/10 + 1/5 =
  6. 6.6/9 + 3/5 =
  7. 7.1/2 + 2/3 =
  8. 8.1/3 − 1/11 =
  9. 9.3/6 + 1/2 =
  10. 10.3/4 − 7/12 =
  11. 11.1/3 + 4/6 =
  12. 12.3/5 + 6/10 =
  13. 13.4/10 + 5/7 =
  14. 14.6/7 + 1/2 =
  15. 15.4/12 + 1/6 =
  16. 16.5/9 + 7/8 =
  17. 17.1/12 + 4/6 =
  18. 18.6/7 + 3/4 =
  19. 19.1/3 + 6/9 =
  20. 20.1/4 − 1/5 =
  21. 21.7/9 + 1/2 =
  22. 22.2/3 − 4/9 =
  23. 23.1/2 − 2/7 =
  24. 24.8/9 − 6/11 =
  25. 25.1/2 + 1/2 =
  26. 26.1/2 + 5/7 =
  27. 27.2/7 + 8/9 =
  28. 28.3/9 − 1/12 =
  29. 29.3/5 + 1/2 =
  30. 30.1/2 + 4/12 =
  31. 31.4/5 − 5/9 =
  32. 32.3/6 + 10/11 =
  33. 33.6/10 − 4/11 =
  34. 34.10/11 − 4/6 =
  35. 35.1/11 + 6/10 =
  36. 36.1/7 + 8/12 =
  37. 37.4/7 − 2/5 =
  38. 38.5/9 + 2/3 =
  39. 39.3/8 + 1/2 =
  40. 40.1/4 + 3/4 =

Answer key

  1. 3/8
  2. 5/12
  3. 7/6
  4. 11/15
  5. 1
  6. 19/15
  7. 7/6
  8. 8/33
  9. 1
  10. 1/6
  11. 1
  12. 6/5
  13. 39/35
  14. 19/14
  15. 1/2
  16. 103/72
  17. 3/4
  18. 45/28
  19. 1
  20. 1/20
  21. 23/18
  22. 2/9
  23. 3/14
  24. 34/99
  25. 1
  26. 17/14
  27. 74/63
  28. 1/4
  29. 11/10
  30. 5/6
  31. 11/45
  32. 31/22
  33. 13/55
  34. 8/33
  35. 38/55
  36. 17/21
  37. 6/35
  38. 11/9
  39. 7/8
  40. 1

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