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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 618 · 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. 1.2/5 + 2/6 =
  2. 2.3/6 + 1/3 =
  3. 3.4/11 − 2/10 =
  4. 4.8/11 − 4/8 =
  5. 5.4/11 − 1/8 =
  6. 6.8/12 + 4/7 =
  7. 7.1/2 − 2/11 =
  8. 8.4/5 − 4/8 =
  9. 9.1/3 + 1/5 =
  10. 10.3/5 − 1/3 =
  11. 11.2/4 − 3/12 =
  12. 12.5/9 + 2/4 =
  13. 13.7/10 − 1/4 =
  14. 14.6/12 + 2/3 =
  15. 15.8/12 + 5/7 =
  16. 16.5/8 − 3/8 =
  17. 17.3/10 + 2/5 =
  18. 18.2/3 + 2/5 =
  19. 19.1/2 + 2/4 =
  20. 20.5/7 − 3/11 =
  21. 21.3/6 − 2/7 =
  22. 22.3/11 + 6/7 =
  23. 23.3/4 + 9/10 =
  24. 24.4/9 + 4/8 =
  25. 25.6/11 − 2/5 =
  26. 26.1/6 + 9/12 =
  27. 27.1/2 + 4/8 =
  28. 28.4/9 + 9/10 =
  29. 29.3/4 + 1/2 =
  30. 30.3/4 + 1/2 =
  31. 31.4/10 + 2/5 =
  32. 32.6/8 − 1/9 =
  33. 33.1/2 + 1/2 =
  34. 34.2/3 − 1/8 =
  35. 35.5/6 − 1/2 =
  36. 36.7/8 + 1/3 =
  37. 37.1/8 − 1/11 =
  38. 38.5/7 − 1/2 =
  39. 39.6/10 − 2/8 =
  40. 40.6/9 − 1/5 =

Answer key

  1. 11/15
  2. 5/6
  3. 9/55
  4. 5/22
  5. 21/88
  6. 26/21
  7. 7/22
  8. 3/10
  9. 8/15
  10. 4/15
  11. 1/4
  12. 19/18
  13. 9/20
  14. 7/6
  15. 29/21
  16. 1/4
  17. 7/10
  18. 16/15
  19. 1
  20. 34/77
  21. 3/14
  22. 87/77
  23. 33/20
  24. 17/18
  25. 8/55
  26. 11/12
  27. 1
  28. 121/90
  29. 5/4
  30. 5/4
  31. 4/5
  32. 23/36
  33. 1
  34. 13/24
  35. 1/3
  36. 29/24
  37. 3/88
  38. 3/14
  39. 7/20
  40. 7/15

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