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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 482 · 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. 1.7/9 + 2/8 =
  2. 2.1/6 − 1/12 =
  3. 3.1/3 + 1/2 =
  4. 4.3/8 + 1/11 =
  5. 5.2/3 − 1/4 =
  6. 6.2/8 + 1/10 =
  7. 7.3/4 + 4/5 =
  8. 8.5/8 − 1/4 =
  9. 9.8/11 + 2/5 =
  10. 10.6/7 + 2/7 =
  11. 11.2/7 − 1/11 =
  12. 12.3/4 − 3/5 =
  13. 13.2/4 − 1/6 =
  14. 14.1/4 + 1/3 =
  15. 15.3/5 + 1/2 =
  16. 16.3/4 + 3/4 =
  17. 17.1/3 + 4/8 =
  18. 18.1/2 + 3/5 =
  19. 19.2/3 − 4/11 =
  20. 20.10/11 + 6/11 =
  21. 21.6/9 + 1/3 =
  22. 22.3/10 + 1/8 =
  23. 23.1/5 + 2/4 =
  24. 24.1/3 − 2/8 =
  25. 25.2/11 + 1/2 =
  26. 26.1/3 + 11/12 =
  27. 27.4/6 − 2/12 =
  28. 28.2/7 + 2/4 =
  29. 29.9/11 − 1/2 =
  30. 30.2/5 + 1/2 =
  31. 31.8/10 − 4/10 =
  32. 32.5/6 + 2/3 =
  33. 33.4/12 + 1/4 =
  34. 34.1/2 − 2/8 =
  35. 35.1/2 − 3/12 =
  36. 36.2/4 − 1/3 =
  37. 37.8/9 − 4/9 =
  38. 38.8/9 − 1/2 =
  39. 39.3/11 + 5/6 =
  40. 40.2/3 − 1/5 =

Answer key

  1. 37/36
  2. 1/12
  3. 5/6
  4. 41/88
  5. 5/12
  6. 7/20
  7. 31/20
  8. 3/8
  9. 62/55
  10. 8/7
  11. 15/77
  12. 3/20
  13. 1/3
  14. 7/12
  15. 11/10
  16. 3/2
  17. 5/6
  18. 11/10
  19. 10/33
  20. 16/11
  21. 1
  22. 17/40
  23. 7/10
  24. 1/12
  25. 15/22
  26. 5/4
  27. 1/2
  28. 11/14
  29. 7/22
  30. 9/10
  31. 2/5
  32. 3/2
  33. 7/12
  34. 1/4
  35. 1/4
  36. 1/6
  37. 4/9
  38. 7/18
  39. 73/66
  40. 7/15

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