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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 106 · 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 + 3/9 =
  2. 2.4/6 − 3/5 =
  3. 3.1/3 + 1/2 =
  4. 4.3/12 − 2/10 =
  5. 5.1/3 + 6/7 =
  6. 6.8/9 − 3/5 =
  7. 7.7/8 + 1/5 =
  8. 8.5/7 − 1/2 =
  9. 9.1/3 + 7/10 =
  10. 10.2/3 + 1/3 =
  11. 11.1/2 − 1/4 =
  12. 12.4/5 + 1/2 =
  13. 13.2/3 + 6/9 =
  14. 14.3/4 + 5/6 =
  15. 15.4/12 + 1/11 =
  16. 16.4/6 + 1/4 =
  17. 17.2/6 + 2/6 =
  18. 18.1/2 + 2/5 =
  19. 19.4/9 + 4/12 =
  20. 20.1/3 − 3/12 =
  21. 21.2/3 + 1/3 =
  22. 22.3/5 − 1/2 =
  23. 23.2/8 − 1/5 =
  24. 24.1/3 + 8/12 =
  25. 25.5/6 − 3/6 =
  26. 26.1/5 + 10/11 =
  27. 27.3/5 + 2/9 =
  28. 28.1/2 + 1/3 =
  29. 29.5/9 + 6/10 =
  30. 30.2/3 − 1/4 =
  31. 31.1/2 + 1/9 =
  32. 32.10/12 − 2/6 =
  33. 33.1/2 + 2/3 =
  34. 34.6/12 + 7/9 =
  35. 35.3/6 − 2/5 =
  36. 36.4/7 + 1/2 =
  37. 37.1/2 + 1/5 =
  38. 38.5/8 + 2/3 =
  39. 39.3/8 + 4/5 =
  40. 40.6/8 − 2/3 =

Answer key

  1. 1
  2. 1/15
  3. 5/6
  4. 1/20
  5. 25/21
  6. 13/45
  7. 43/40
  8. 3/14
  9. 31/30
  10. 1
  11. 1/4
  12. 13/10
  13. 4/3
  14. 19/12
  15. 14/33
  16. 11/12
  17. 2/3
  18. 9/10
  19. 7/9
  20. 1/12
  21. 1
  22. 1/10
  23. 1/20
  24. 1
  25. 1/3
  26. 61/55
  27. 37/45
  28. 5/6
  29. 52/45
  30. 5/12
  31. 11/18
  32. 1/2
  33. 7/6
  34. 23/18
  35. 1/10
  36. 15/14
  37. 7/10
  38. 31/24
  39. 47/40
  40. 1/12

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