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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 174 · 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. 1.2/6 − 3/10 =
  2. 2.1/2 + 7/10 =
  3. 3.4/5 − 6/11 =
  4. 4.1/2 + 5/6 =
  5. 5.4/5 − 1/4 =
  6. 6.2/4 + 5/9 =
  7. 7.2/4 + 1/5 =
  8. 8.1/4 + 4/6 =
  9. 9.1/2 + 1/3 =
  10. 10.8/12 − 1/7 =
  11. 11.1/2 + 1/3 =
  12. 12.2/4 + 4/5 =
  13. 13.2/5 − 2/10 =
  14. 14.8/11 − 3/12 =
  15. 15.7/10 + 1/4 =
  16. 16.10/11 + 6/9 =
  17. 17.5/12 − 2/8 =
  18. 18.2/3 − 1/2 =
  19. 19.2/12 + 4/8 =
  20. 20.1/4 + 3/5 =
  21. 21.5/6 − 6/11 =
  22. 22.6/12 + 1/4 =
  23. 23.9/11 + 2/3 =
  24. 24.6/8 − 4/6 =
  25. 25.4/6 + 1/4 =
  26. 26.1/4 + 10/12 =
  27. 27.5/6 + 8/10 =
  28. 28.3/5 − 1/6 =
  29. 29.1/3 + 8/12 =
  30. 30.8/11 − 4/11 =
  31. 31.2/3 + 2/4 =
  32. 32.5/10 + 5/11 =
  33. 33.1/2 − 3/7 =
  34. 34.3/6 + 3/6 =
  35. 35.3/11 + 2/6 =
  36. 36.3/12 + 1/3 =
  37. 37.3/4 − 3/5 =
  38. 38.2/3 + 1/7 =
  39. 39.5/6 + 10/11 =
  40. 40.1/4 − 2/11 =

Answer key

  1. 1/30
  2. 6/5
  3. 14/55
  4. 4/3
  5. 11/20
  6. 19/18
  7. 7/10
  8. 11/12
  9. 5/6
  10. 11/21
  11. 5/6
  12. 13/10
  13. 1/5
  14. 21/44
  15. 19/20
  16. 52/33
  17. 1/6
  18. 1/6
  19. 2/3
  20. 17/20
  21. 19/66
  22. 3/4
  23. 49/33
  24. 1/12
  25. 11/12
  26. 13/12
  27. 49/30
  28. 13/30
  29. 1
  30. 4/11
  31. 7/6
  32. 21/22
  33. 1/14
  34. 1
  35. 20/33
  36. 7/12
  37. 3/20
  38. 17/21
  39. 115/66
  40. 3/44

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