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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 859 · 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. 1.2/8 + 2/4 =
  2. 2.3/8 + 2/7 =
  3. 3.3/4 − 2/4 =
  4. 4.1/3 + 2/6 =
  5. 5.6/11 + 5/8 =
  6. 6.5/6 + 4/11 =
  7. 7.4/8 − 1/3 =
  8. 8.1/4 + 4/9 =
  9. 9.1/4 + 3/10 =
  10. 10.3/4 − 2/4 =
  11. 11.4/8 − 1/8 =
  12. 12.1/9 + 1/6 =
  13. 13.1/8 + 2/3 =
  14. 14.1/2 − 1/3 =
  15. 15.3/5 + 1/9 =
  16. 16.1/6 + 11/12 =
  17. 17.9/12 − 2/3 =
  18. 18.3/4 − 1/4 =
  19. 19.7/12 − 1/3 =
  20. 20.3/9 − 1/8 =
  21. 21.10/11 + 2/9 =
  22. 22.1/3 + 5/11 =
  23. 23.1/3 + 4/5 =
  24. 24.2/3 − 4/12 =
  25. 25.5/6 + 1/4 =
  26. 26.1/3 − 1/7 =
  27. 27.1/2 + 1/2 =
  28. 28.4/6 − 2/6 =
  29. 29.5/8 + 6/7 =
  30. 30.1/2 + 4/5 =
  31. 31.2/4 + 11/12 =
  32. 32.1/5 + 1/3 =
  33. 33.2/3 + 3/5 =
  34. 34.3/4 + 1/6 =
  35. 35.4/8 + 1/5 =
  36. 36.9/10 − 2/3 =
  37. 37.2/3 + 1/11 =
  38. 38.2/6 − 1/4 =
  39. 39.1/2 + 5/10 =
  40. 40.2/4 + 1/2 =

Answer key

  1. 3/4
  2. 37/56
  3. 1/4
  4. 2/3
  5. 103/88
  6. 79/66
  7. 1/6
  8. 25/36
  9. 11/20
  10. 1/4
  11. 3/8
  12. 5/18
  13. 19/24
  14. 1/6
  15. 32/45
  16. 13/12
  17. 1/12
  18. 1/2
  19. 1/4
  20. 5/24
  21. 112/99
  22. 26/33
  23. 17/15
  24. 1/3
  25. 13/12
  26. 4/21
  27. 1
  28. 1/3
  29. 83/56
  30. 13/10
  31. 17/12
  32. 8/15
  33. 19/15
  34. 11/12
  35. 7/10
  36. 7/30
  37. 25/33
  38. 1/12
  39. 1
  40. 1

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