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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 262 · 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 + 10/11 =
  2. 2.1/3 + 1/6 =
  3. 3.6/7 − 4/8 =
  4. 4.4/8 + 2/5 =
  5. 5.4/6 − 5/10 =
  6. 6.1/2 + 3/9 =
  7. 7.8/11 + 1/3 =
  8. 8.3/12 + 8/9 =
  9. 9.1/9 + 1/2 =
  10. 10.7/10 + 2/8 =
  11. 11.5/10 − 2/9 =
  12. 12.1/2 − 1/5 =
  13. 13.5/8 + 3/6 =
  14. 14.3/5 + 2/4 =
  15. 15.1/2 + 10/12 =
  16. 16.9/10 + 4/5 =
  17. 17.1/12 + 5/7 =
  18. 18.4/10 + 5/6 =
  19. 19.6/8 + 3/4 =
  20. 20.1/4 − 1/10 =
  21. 21.5/11 − 5/12 =
  22. 22.3/4 − 2/3 =
  23. 23.2/11 + 2/3 =
  24. 24.1/4 + 1/2 =
  25. 25.1/2 − 4/11 =
  26. 26.2/3 + 1/6 =
  27. 27.5/6 + 5/11 =
  28. 28.1/3 + 1/4 =
  29. 29.1/4 + 3/5 =
  30. 30.1/2 + 2/5 =
  31. 31.1/2 − 1/3 =
  32. 32.1/2 + 1/2 =
  33. 33.2/11 + 4/6 =
  34. 34.3/7 − 2/7 =
  35. 35.1/5 + 7/10 =
  36. 36.8/9 − 1/3 =
  37. 37.1/2 − 2/11 =
  38. 38.1/3 + 4/8 =
  39. 39.1/2 + 2/4 =
  40. 40.3/4 − 7/12 =

Answer key

  1. 52/33
  2. 1/2
  3. 5/14
  4. 9/10
  5. 1/6
  6. 5/6
  7. 35/33
  8. 41/36
  9. 11/18
  10. 19/20
  11. 5/18
  12. 3/10
  13. 9/8
  14. 11/10
  15. 4/3
  16. 17/10
  17. 67/84
  18. 37/30
  19. 3/2
  20. 3/20
  21. 5/132
  22. 1/12
  23. 28/33
  24. 3/4
  25. 3/22
  26. 5/6
  27. 85/66
  28. 7/12
  29. 17/20
  30. 9/10
  31. 1/6
  32. 1
  33. 28/33
  34. 1/7
  35. 9/10
  36. 5/9
  37. 7/22
  38. 5/6
  39. 1
  40. 1/6

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