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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 430 · 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. 1.1/3 + 3/9 =
  2. 2.2/5 − 1/9 =
  3. 3.10/12 − 3/5 =
  4. 4.6/8 + 2/5 =
  5. 5.8/11 − 4/6 =
  6. 6.5/11 + 1/3 =
  7. 7.5/7 + 3/4 =
  8. 8.2/3 − 1/8 =
  9. 9.6/8 − 1/4 =
  10. 10.4/11 − 3/10 =
  11. 11.3/4 + 4/5 =
  12. 12.2/6 + 7/11 =
  13. 13.1/2 + 8/9 =
  14. 14.1/6 + 1/5 =
  15. 15.2/8 + 8/12 =
  16. 16.6/10 − 2/5 =
  17. 17.7/9 + 2/8 =
  18. 18.9/10 + 1/7 =
  19. 19.1/3 + 1/2 =
  20. 20.3/10 + 1/2 =
  21. 21.2/4 − 3/7 =
  22. 22.1/2 − 2/5 =
  23. 23.5/12 + 3/5 =
  24. 24.1/6 + 2/3 =
  25. 25.1/3 + 4/10 =
  26. 26.1/2 + 3/11 =
  27. 27.3/4 + 4/7 =
  28. 28.1/6 + 2/4 =
  29. 29.1/2 + 6/11 =
  30. 30.1/2 + 1/3 =
  31. 31.6/9 − 2/11 =
  32. 32.1/2 + 4/9 =
  33. 33.5/7 − 3/7 =
  34. 34.2/4 − 1/8 =
  35. 35.2/8 + 6/9 =
  36. 36.1/2 + 4/10 =
  37. 37.1/2 + 3/4 =
  38. 38.1/3 + 3/4 =
  39. 39.4/7 − 2/8 =
  40. 40.3/4 + 1/2 =

Answer key

  1. 2/3
  2. 13/45
  3. 7/30
  4. 23/20
  5. 2/33
  6. 26/33
  7. 41/28
  8. 13/24
  9. 1/2
  10. 7/110
  11. 31/20
  12. 32/33
  13. 25/18
  14. 11/30
  15. 11/12
  16. 1/5
  17. 37/36
  18. 73/70
  19. 5/6
  20. 4/5
  21. 1/14
  22. 1/10
  23. 61/60
  24. 5/6
  25. 11/15
  26. 17/22
  27. 37/28
  28. 2/3
  29. 23/22
  30. 5/6
  31. 16/33
  32. 17/18
  33. 2/7
  34. 3/8
  35. 11/12
  36. 9/10
  37. 5/4
  38. 13/12
  39. 9/28
  40. 5/4

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