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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 945 · 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. 1.1/9 + 1/2 =
  2. 2.1/2 − 1/3 =
  3. 3.1/8 + 1/2 =
  4. 4.9/11 + 2/5 =
  5. 5.1/2 + 6/12 =
  6. 6.7/10 − 2/6 =
  7. 7.8/12 + 2/3 =
  8. 8.1/2 − 1/6 =
  9. 9.5/6 − 2/9 =
  10. 10.1/7 + 1/2 =
  11. 11.5/6 + 1/5 =
  12. 12.5/7 + 6/11 =
  13. 13.2/3 + 3/7 =
  14. 14.2/6 + 2/8 =
  15. 15.5/6 + 2/6 =
  16. 16.8/9 − 7/9 =
  17. 17.4/12 − 2/10 =
  18. 18.1/2 − 5/12 =
  19. 19.1/2 − 1/7 =
  20. 20.7/8 + 2/12 =
  21. 21.4/5 − 1/3 =
  22. 22.5/6 − 2/8 =
  23. 23.5/8 + 1/9 =
  24. 24.7/9 + 1/2 =
  25. 25.4/9 + 1/3 =
  26. 26.3/11 − 2/12 =
  27. 27.6/7 + 3/9 =
  28. 28.1/2 + 8/11 =
  29. 29.1/3 + 1/2 =
  30. 30.4/5 + 4/6 =
  31. 31.1/3 − 2/9 =
  32. 32.1/6 + 3/9 =
  33. 33.5/8 − 1/5 =
  34. 34.2/4 + 1/4 =
  35. 35.4/6 − 6/11 =
  36. 36.9/10 − 1/2 =
  37. 37.2/7 + 4/5 =
  38. 38.1/6 + 1/7 =
  39. 39.2/10 + 9/11 =
  40. 40.2/3 − 3/12 =

Answer key

  1. 11/18
  2. 1/6
  3. 5/8
  4. 67/55
  5. 1
  6. 11/30
  7. 4/3
  8. 1/3
  9. 11/18
  10. 9/14
  11. 31/30
  12. 97/77
  13. 23/21
  14. 7/12
  15. 7/6
  16. 1/9
  17. 2/15
  18. 1/12
  19. 5/14
  20. 25/24
  21. 7/15
  22. 7/12
  23. 53/72
  24. 23/18
  25. 7/9
  26. 7/66
  27. 25/21
  28. 27/22
  29. 5/6
  30. 22/15
  31. 1/9
  32. 1/2
  33. 17/40
  34. 3/4
  35. 4/33
  36. 2/5
  37. 38/35
  38. 13/42
  39. 56/55
  40. 5/12

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