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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 738 · 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. 1.7/11 − 1/3 =
  2. 2.6/8 − 3/10 =
  3. 3.7/8 − 1/6 =
  4. 4.5/6 + 4/11 =
  5. 5.5/6 − 4/12 =
  6. 6.1/3 + 3/4 =
  7. 7.5/8 + 8/9 =
  8. 8.6/11 − 2/9 =
  9. 9.6/7 − 2/9 =
  10. 10.3/7 + 5/11 =
  11. 11.1/4 − 1/8 =
  12. 12.7/10 + 1/2 =
  13. 13.4/11 + 1/2 =
  14. 14.6/9 − 1/3 =
  15. 15.4/6 + 6/9 =
  16. 16.7/9 + 1/4 =
  17. 17.5/9 + 1/2 =
  18. 18.7/10 − 5/10 =
  19. 19.1/12 + 3/4 =
  20. 20.3/5 + 3/5 =
  21. 21.2/9 + 3/4 =
  22. 22.5/12 + 1/2 =
  23. 23.3/5 + 4/8 =
  24. 24.3/4 − 1/4 =
  25. 25.8/9 + 5/6 =
  26. 26.8/10 + 1/2 =
  27. 27.1/2 + 1/7 =
  28. 28.11/12 + 3/6 =
  29. 29.2/4 + 1/2 =
  30. 30.2/7 + 3/4 =
  31. 31.2/9 + 1/9 =
  32. 32.4/10 + 1/6 =
  33. 33.2/9 + 6/7 =
  34. 34.1/7 + 2/3 =
  35. 35.1/3 + 2/4 =
  36. 36.1/6 + 5/10 =
  37. 37.1/9 + 2/3 =
  38. 38.2/4 − 2/5 =
  39. 39.2/3 − 2/9 =
  40. 40.1/2 + 7/10 =

Answer key

  1. 10/33
  2. 9/20
  3. 17/24
  4. 79/66
  5. 1/2
  6. 13/12
  7. 109/72
  8. 32/99
  9. 40/63
  10. 68/77
  11. 1/8
  12. 6/5
  13. 19/22
  14. 1/3
  15. 4/3
  16. 37/36
  17. 19/18
  18. 1/5
  19. 5/6
  20. 6/5
  21. 35/36
  22. 11/12
  23. 11/10
  24. 1/2
  25. 31/18
  26. 13/10
  27. 9/14
  28. 17/12
  29. 1
  30. 29/28
  31. 1/3
  32. 17/30
  33. 68/63
  34. 17/21
  35. 5/6
  36. 2/3
  37. 7/9
  38. 1/10
  39. 4/9
  40. 6/5

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