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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 31 · 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. 1.1/8 + 2/6 =
  2. 2.7/12 + 7/11 =
  3. 3.2/11 + 1/5 =
  4. 4.1/3 + 1/3 =
  5. 5.5/8 − 1/3 =
  6. 6.3/10 − 3/11 =
  7. 7.1/3 − 1/4 =
  8. 8.1/2 + 4/10 =
  9. 9.2/3 − 3/5 =
  10. 10.7/12 + 1/7 =
  11. 11.1/2 + 2/4 =
  12. 12.8/9 + 2/9 =
  13. 13.5/6 + 5/10 =
  14. 14.1/2 + 8/10 =
  15. 15.3/8 − 3/12 =
  16. 16.4/5 − 1/2 =
  17. 17.2/5 − 3/10 =
  18. 18.5/7 − 1/2 =
  19. 19.3/6 + 2/3 =
  20. 20.4/7 + 2/11 =
  21. 21.2/9 + 4/8 =
  22. 22.3/12 + 1/10 =
  23. 23.3/6 + 3/6 =
  24. 24.2/3 − 1/3 =
  25. 25.1/2 + 1/2 =
  26. 26.1/2 + 2/4 =
  27. 27.2/3 − 1/2 =
  28. 28.8/10 − 3/7 =
  29. 29.4/8 + 1/3 =
  30. 30.4/9 + 3/4 =
  31. 31.1/8 + 1/2 =
  32. 32.2/5 − 3/9 =
  33. 33.1/2 + 8/10 =
  34. 34.3/5 + 7/12 =
  35. 35.3/12 − 1/11 =
  36. 36.3/10 − 1/4 =
  37. 37.1/2 + 9/11 =
  38. 38.9/12 − 5/10 =
  39. 39.3/8 − 1/7 =
  40. 40.3/4 + 2/9 =

Answer key

  1. 11/24
  2. 161/132
  3. 21/55
  4. 2/3
  5. 7/24
  6. 3/110
  7. 1/12
  8. 9/10
  9. 1/15
  10. 61/84
  11. 1
  12. 10/9
  13. 4/3
  14. 13/10
  15. 1/8
  16. 3/10
  17. 1/10
  18. 3/14
  19. 7/6
  20. 58/77
  21. 13/18
  22. 7/20
  23. 1
  24. 1/3
  25. 1
  26. 1
  27. 1/6
  28. 13/35
  29. 5/6
  30. 43/36
  31. 5/8
  32. 1/15
  33. 13/10
  34. 71/60
  35. 7/44
  36. 1/20
  37. 29/22
  38. 1/4
  39. 13/56
  40. 35/36

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