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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 415 · 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 + 1/3 =
  2. 2.6/10 − 1/10 =
  3. 3.3/12 − 2/10 =
  4. 4.1/2 + 6/7 =
  5. 5.10/12 + 2/6 =
  6. 6.5/10 − 1/9 =
  7. 7.1/2 + 1/2 =
  8. 8.3/6 + 2/11 =
  9. 9.1/4 + 1/2 =
  10. 10.1/6 + 3/5 =
  11. 11.3/7 + 5/9 =
  12. 12.2/11 + 7/11 =
  13. 13.3/9 + 3/6 =
  14. 14.8/10 − 2/3 =
  15. 15.2/3 + 1/2 =
  16. 16.2/11 + 5/6 =
  17. 17.3/10 + 1/3 =
  18. 18.5/6 + 3/5 =
  19. 19.4/5 − 5/9 =
  20. 20.1/2 + 5/10 =
  21. 21.10/11 − 3/9 =
  22. 22.3/4 − 2/5 =
  23. 23.2/3 − 1/3 =
  24. 24.2/6 − 1/5 =
  25. 25.2/9 + 1/4 =
  26. 26.7/8 − 5/7 =
  27. 27.3/10 + 4/7 =
  28. 28.2/7 + 2/11 =
  29. 29.1/2 − 2/8 =
  30. 30.8/10 − 1/3 =
  31. 31.2/10 + 2/5 =
  32. 32.4/11 + 2/5 =
  33. 33.8/12 + 2/3 =
  34. 34.5/6 − 1/4 =
  35. 35.3/5 + 1/5 =
  36. 36.5/9 + 1/3 =
  37. 37.4/8 + 4/5 =
  38. 38.2/3 + 1/2 =
  39. 39.1/2 + 1/4 =
  40. 40.9/10 − 1/2 =

Answer key

  1. 14/15
  2. 1/2
  3. 1/20
  4. 19/14
  5. 7/6
  6. 7/18
  7. 1
  8. 15/22
  9. 3/4
  10. 23/30
  11. 62/63
  12. 9/11
  13. 5/6
  14. 2/15
  15. 7/6
  16. 67/66
  17. 19/30
  18. 43/30
  19. 11/45
  20. 1
  21. 19/33
  22. 7/20
  23. 1/3
  24. 2/15
  25. 17/36
  26. 9/56
  27. 61/70
  28. 36/77
  29. 1/4
  30. 7/15
  31. 3/5
  32. 42/55
  33. 4/3
  34. 7/12
  35. 4/5
  36. 8/9
  37. 13/10
  38. 7/6
  39. 3/4
  40. 2/5

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