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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 171 · 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. 1.1/6 + 6/8 =
  2. 2.4/8 − 2/8 =
  3. 3.1/7 + 4/5 =
  4. 4.6/12 + 6/9 =
  5. 5.8/11 + 1/10 =
  6. 6.1/3 + 4/5 =
  7. 7.8/10 + 2/4 =
  8. 8.5/6 + 1/4 =
  9. 9.8/9 − 3/9 =
  10. 10.1/2 + 1/3 =
  11. 11.1/2 + 1/10 =
  12. 12.2/3 − 1/5 =
  13. 13.2/7 − 3/12 =
  14. 14.1/5 + 1/2 =
  15. 15.3/6 − 1/9 =
  16. 16.4/12 − 3/12 =
  17. 17.2/8 − 2/12 =
  18. 18.5/6 − 4/10 =
  19. 19.4/9 + 2/10 =
  20. 20.2/5 + 3/5 =
  21. 21.1/2 + 1/2 =
  22. 22.6/8 − 1/8 =
  23. 23.6/8 − 4/12 =
  24. 24.4/6 + 4/8 =
  25. 25.4/7 − 1/8 =
  26. 26.10/11 − 1/2 =
  27. 27.8/9 − 2/4 =
  28. 28.1/2 + 2/9 =
  29. 29.1/9 + 1/4 =
  30. 30.1/7 + 8/10 =
  31. 31.1/5 + 10/12 =
  32. 32.2/10 + 2/6 =
  33. 33.2/7 + 5/6 =
  34. 34.6/8 + 1/5 =
  35. 35.3/5 − 1/5 =
  36. 36.2/4 + 1/5 =
  37. 37.3/8 + 2/9 =
  38. 38.2/11 + 4/5 =
  39. 39.1/2 + 1/2 =
  40. 40.1/5 + 5/7 =

Answer key

  1. 11/12
  2. 1/4
  3. 33/35
  4. 7/6
  5. 91/110
  6. 17/15
  7. 13/10
  8. 13/12
  9. 5/9
  10. 5/6
  11. 3/5
  12. 7/15
  13. 1/28
  14. 7/10
  15. 7/18
  16. 1/12
  17. 1/12
  18. 13/30
  19. 29/45
  20. 1
  21. 1
  22. 5/8
  23. 5/12
  24. 7/6
  25. 25/56
  26. 9/22
  27. 7/18
  28. 13/18
  29. 13/36
  30. 33/35
  31. 31/30
  32. 8/15
  33. 47/42
  34. 19/20
  35. 2/5
  36. 7/10
  37. 43/72
  38. 54/55
  39. 1
  40. 32/35

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