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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 313 · 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. 1.5/6 + 2/8 =
  2. 2.2/3 + 2/9 =
  3. 3.1/4 + 2/6 =
  4. 4.6/11 + 1/2 =
  5. 5.7/8 + 5/7 =
  6. 6.2/3 + 3/4 =
  7. 7.1/2 − 1/3 =
  8. 8.2/4 + 1/5 =
  9. 9.4/5 − 3/5 =
  10. 10.1/2 + 1/7 =
  11. 11.3/8 + 6/9 =
  12. 12.1/6 + 2/3 =
  13. 13.4/6 + 1/2 =
  14. 14.1/5 + 9/10 =
  15. 15.1/7 + 3/7 =
  16. 16.7/10 + 1/2 =
  17. 17.2/6 + 6/10 =
  18. 18.5/10 − 1/9 =
  19. 19.10/12 − 5/10 =
  20. 20.1/10 + 1/4 =
  21. 21.3/4 − 1/7 =
  22. 22.1/2 + 1/3 =
  23. 23.1/2 + 7/9 =
  24. 24.1/3 + 6/10 =
  25. 25.8/12 − 2/5 =
  26. 26.8/12 + 1/2 =
  27. 27.1/4 + 1/11 =
  28. 28.4/8 − 1/3 =
  29. 29.1/2 − 1/11 =
  30. 30.1/3 − 1/12 =
  31. 31.1/7 + 2/6 =
  32. 32.1/5 + 3/10 =
  33. 33.5/6 + 4/7 =
  34. 34.3/4 − 1/9 =
  35. 35.9/10 − 1/3 =
  36. 36.10/12 − 4/9 =
  37. 37.2/3 + 7/9 =
  38. 38.5/7 + 1/3 =
  39. 39.4/8 − 2/6 =
  40. 40.9/10 − 3/6 =

Answer key

  1. 13/12
  2. 8/9
  3. 7/12
  4. 23/22
  5. 89/56
  6. 17/12
  7. 1/6
  8. 7/10
  9. 1/5
  10. 9/14
  11. 25/24
  12. 5/6
  13. 7/6
  14. 11/10
  15. 4/7
  16. 6/5
  17. 14/15
  18. 7/18
  19. 1/3
  20. 7/20
  21. 17/28
  22. 5/6
  23. 23/18
  24. 14/15
  25. 4/15
  26. 7/6
  27. 15/44
  28. 1/6
  29. 9/22
  30. 1/4
  31. 10/21
  32. 1/2
  33. 59/42
  34. 23/36
  35. 17/30
  36. 7/18
  37. 13/9
  38. 22/21
  39. 1/6
  40. 2/5

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