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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 663 · 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. 1.2/3 − 1/6 =
  2. 2.1/2 + 1/3 =
  3. 3.2/5 − 1/4 =
  4. 4.5/8 − 3/7 =
  5. 5.1/2 + 2/8 =
  6. 6.1/2 − 2/7 =
  7. 7.1/2 + 1/7 =
  8. 8.5/6 + 3/7 =
  9. 9.6/7 + 5/10 =
  10. 10.1/2 + 6/9 =
  11. 11.1/12 + 7/11 =
  12. 12.1/8 + 2/5 =
  13. 13.5/6 − 7/9 =
  14. 14.1/2 − 1/9 =
  15. 15.4/9 − 1/3 =
  16. 16.3/5 − 1/2 =
  17. 17.1/2 − 4/10 =
  18. 18.5/6 − 1/4 =
  19. 19.2/5 + 4/9 =
  20. 20.7/8 + 2/9 =
  21. 21.2/3 + 4/7 =
  22. 22.9/11 + 2/3 =
  23. 23.4/5 − 3/10 =
  24. 24.3/4 + 1/4 =
  25. 25.1/9 + 2/8 =
  26. 26.6/8 − 8/12 =
  27. 27.1/9 + 3/4 =
  28. 28.5/6 + 1/8 =
  29. 29.6/9 + 4/5 =
  30. 30.2/3 − 4/12 =
  31. 31.5/7 + 1/4 =
  32. 32.2/3 + 1/2 =
  33. 33.4/6 + 7/11 =
  34. 34.6/7 − 1/3 =
  35. 35.2/4 − 3/11 =
  36. 36.3/7 + 2/4 =
  37. 37.7/12 − 2/5 =
  38. 38.3/5 + 1/10 =
  39. 39.3/7 − 1/3 =
  40. 40.1/2 + 1/2 =

Answer key

  1. 1/2
  2. 5/6
  3. 3/20
  4. 11/56
  5. 3/4
  6. 3/14
  7. 9/14
  8. 53/42
  9. 19/14
  10. 7/6
  11. 95/132
  12. 21/40
  13. 1/18
  14. 7/18
  15. 1/9
  16. 1/10
  17. 1/10
  18. 7/12
  19. 38/45
  20. 79/72
  21. 26/21
  22. 49/33
  23. 1/2
  24. 1
  25. 13/36
  26. 1/12
  27. 31/36
  28. 23/24
  29. 22/15
  30. 1/3
  31. 27/28
  32. 7/6
  33. 43/33
  34. 11/21
  35. 5/22
  36. 13/14
  37. 11/60
  38. 7/10
  39. 2/21
  40. 1

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