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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 254 · 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. 1.1/2 + 6/9 =
  2. 2.1/3 − 3/10 =
  3. 3.3/5 − 1/2 =
  4. 4.2/7 − 1/6 =
  5. 5.1/2 + 1/6 =
  6. 6.2/9 + 5/6 =
  7. 7.3/4 + 2/12 =
  8. 8.3/7 + 2/7 =
  9. 9.1/12 + 2/4 =
  10. 10.6/7 + 11/12 =
  11. 11.6/9 + 1/6 =
  12. 12.1/2 + 9/10 =
  13. 13.2/8 − 1/10 =
  14. 14.8/11 + 4/7 =
  15. 15.2/5 − 1/3 =
  16. 16.1/2 + 7/10 =
  17. 17.5/10 − 3/8 =
  18. 18.10/12 − 2/11 =
  19. 19.1/2 − 1/10 =
  20. 20.1/2 + 1/12 =
  21. 21.6/8 − 1/8 =
  22. 22.2/8 + 7/10 =
  23. 23.3/9 + 4/9 =
  24. 24.6/8 + 7/11 =
  25. 25.4/8 + 2/4 =
  26. 26.3/7 + 11/12 =
  27. 27.3/9 − 1/10 =
  28. 28.3/4 + 2/4 =
  29. 29.10/12 − 2/4 =
  30. 30.5/11 + 2/3 =
  31. 31.10/11 + 2/4 =
  32. 32.2/3 + 6/9 =
  33. 33.2/11 + 2/11 =
  34. 34.2/3 − 1/2 =
  35. 35.2/5 + 7/12 =
  36. 36.3/11 + 1/8 =
  37. 37.5/10 − 2/9 =
  38. 38.2/8 + 7/8 =
  39. 39.6/9 + 3/4 =
  40. 40.4/5 − 1/2 =

Answer key

  1. 7/6
  2. 1/30
  3. 1/10
  4. 5/42
  5. 2/3
  6. 19/18
  7. 11/12
  8. 5/7
  9. 7/12
  10. 149/84
  11. 5/6
  12. 7/5
  13. 3/20
  14. 100/77
  15. 1/15
  16. 6/5
  17. 1/8
  18. 43/66
  19. 2/5
  20. 7/12
  21. 5/8
  22. 19/20
  23. 7/9
  24. 61/44
  25. 1
  26. 113/84
  27. 7/30
  28. 5/4
  29. 1/3
  30. 37/33
  31. 31/22
  32. 4/3
  33. 4/11
  34. 1/6
  35. 59/60
  36. 35/88
  37. 5/18
  38. 9/8
  39. 17/12
  40. 3/10

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