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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 183 · 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 − 2/8 =
  2. 2.1/2 + 1/2 =
  3. 3.3/4 − 1/4 =
  4. 4.1/2 − 1/7 =
  5. 5.1/4 + 6/8 =
  6. 6.2/10 + 1/2 =
  7. 7.5/8 + 4/7 =
  8. 8.1/3 + 5/9 =
  9. 9.11/12 + 2/5 =
  10. 10.1/2 + 1/2 =
  11. 11.7/8 + 1/2 =
  12. 12.1/4 + 1/2 =
  13. 13.7/9 + 5/10 =
  14. 14.1/2 + 1/2 =
  15. 15.4/9 − 2/5 =
  16. 16.8/9 − 4/10 =
  17. 17.4/6 + 8/9 =
  18. 18.2/5 + 1/8 =
  19. 19.4/7 − 2/11 =
  20. 20.1/10 + 5/12 =
  21. 21.1/3 − 2/10 =
  22. 22.2/4 + 3/6 =
  23. 23.2/12 + 4/7 =
  24. 24.8/9 + 1/2 =
  25. 25.6/11 − 1/8 =
  26. 26.8/9 − 6/9 =
  27. 27.4/11 + 4/11 =
  28. 28.3/4 + 2/3 =
  29. 29.1/3 + 4/6 =
  30. 30.1/5 − 1/12 =
  31. 31.1/9 + 5/6 =
  32. 32.2/5 + 7/11 =
  33. 33.3/4 + 10/11 =
  34. 34.2/9 + 1/2 =
  35. 35.3/7 + 1/2 =
  36. 36.1/6 + 4/8 =
  37. 37.2/4 + 1/2 =
  38. 38.4/7 − 1/5 =
  39. 39.1/2 + 3/7 =
  40. 40.6/8 − 2/6 =

Answer key

  1. 5/12
  2. 1
  3. 1/2
  4. 5/14
  5. 1
  6. 7/10
  7. 67/56
  8. 8/9
  9. 79/60
  10. 1
  11. 11/8
  12. 3/4
  13. 23/18
  14. 1
  15. 2/45
  16. 22/45
  17. 14/9
  18. 21/40
  19. 30/77
  20. 31/60
  21. 2/15
  22. 1
  23. 31/42
  24. 25/18
  25. 37/88
  26. 2/9
  27. 8/11
  28. 17/12
  29. 1
  30. 7/60
  31. 17/18
  32. 57/55
  33. 73/44
  34. 13/18
  35. 13/14
  36. 2/3
  37. 1
  38. 13/35
  39. 13/14
  40. 5/12

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