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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 826 · 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. 1.5/8 − 1/9 =
  2. 2.2/11 + 6/10 =
  3. 3.4/12 − 1/12 =
  4. 4.8/10 − 6/10 =
  5. 5.3/6 − 1/4 =
  6. 6.8/10 − 1/5 =
  7. 7.4/10 + 1/3 =
  8. 8.5/7 − 3/8 =
  9. 9.3/5 − 1/11 =
  10. 10.2/3 − 1/4 =
  11. 11.2/7 − 1/4 =
  12. 12.9/10 − 3/5 =
  13. 13.5/10 + 2/10 =
  14. 14.2/4 + 2/4 =
  15. 15.1/2 + 1/2 =
  16. 16.1/2 + 2/3 =
  17. 17.1/10 + 1/8 =
  18. 18.6/7 + 1/2 =
  19. 19.9/10 − 1/4 =
  20. 20.1/6 + 1/2 =
  21. 21.1/3 + 1/3 =
  22. 22.1/2 + 1/2 =
  23. 23.5/8 + 1/12 =
  24. 24.2/12 + 3/12 =
  25. 25.4/7 + 1/4 =
  26. 26.4/7 + 2/8 =
  27. 27.2/8 + 9/10 =
  28. 28.11/12 − 1/2 =
  29. 29.2/6 + 3/9 =
  30. 30.1/4 + 5/7 =
  31. 31.4/9 − 3/9 =
  32. 32.2/7 − 2/11 =
  33. 33.4/5 − 5/8 =
  34. 34.1/3 + 3/5 =
  35. 35.1/2 − 1/4 =
  36. 36.6/10 + 4/12 =
  37. 37.3/7 + 1/7 =
  38. 38.1/2 + 6/7 =
  39. 39.2/9 + 2/4 =
  40. 40.2/7 + 1/3 =

Answer key

  1. 37/72
  2. 43/55
  3. 1/4
  4. 1/5
  5. 1/4
  6. 3/5
  7. 11/15
  8. 19/56
  9. 28/55
  10. 5/12
  11. 1/28
  12. 3/10
  13. 7/10
  14. 1
  15. 1
  16. 7/6
  17. 9/40
  18. 19/14
  19. 13/20
  20. 2/3
  21. 2/3
  22. 1
  23. 17/24
  24. 5/12
  25. 23/28
  26. 23/28
  27. 23/20
  28. 5/12
  29. 2/3
  30. 27/28
  31. 1/9
  32. 8/77
  33. 7/40
  34. 14/15
  35. 1/4
  36. 14/15
  37. 4/7
  38. 19/14
  39. 13/18
  40. 13/21

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