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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 675 · 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. 1.1/7 + 3/8 =
  2. 2.5/6 + 8/12 =
  3. 3.4/7 − 1/2 =
  4. 4.7/8 + 1/7 =
  5. 5.3/4 + 1/4 =
  6. 6.7/8 − 2/7 =
  7. 7.5/6 + 2/3 =
  8. 8.1/2 + 11/12 =
  9. 9.2/5 − 1/4 =
  10. 10.2/4 + 3/11 =
  11. 11.1/12 + 1/8 =
  12. 12.2/7 + 6/12 =
  13. 13.2/4 + 1/3 =
  14. 14.1/3 + 3/4 =
  15. 15.8/12 + 1/8 =
  16. 16.2/4 + 5/7 =
  17. 17.3/6 + 1/2 =
  18. 18.1/2 + 5/10 =
  19. 19.2/3 − 2/5 =
  20. 20.3/5 − 2/11 =
  21. 21.1/2 − 4/11 =
  22. 22.1/3 + 4/5 =
  23. 23.1/4 + 4/5 =
  24. 24.8/12 + 7/9 =
  25. 25.5/6 − 3/9 =
  26. 26.7/10 + 1/2 =
  27. 27.2/11 + 3/9 =
  28. 28.1/9 + 1/3 =
  29. 29.4/5 + 4/7 =
  30. 30.2/7 + 4/7 =
  31. 31.4/9 + 1/6 =
  32. 32.4/5 − 2/7 =
  33. 33.2/3 − 3/12 =
  34. 34.1/2 + 3/4 =
  35. 35.7/9 + 2/10 =
  36. 36.3/9 − 1/4 =
  37. 37.4/7 − 1/3 =
  38. 38.4/6 − 2/6 =
  39. 39.1/3 − 1/10 =
  40. 40.5/6 − 1/2 =

Answer key

  1. 29/56
  2. 3/2
  3. 1/14
  4. 57/56
  5. 1
  6. 33/56
  7. 3/2
  8. 17/12
  9. 3/20
  10. 17/22
  11. 5/24
  12. 11/14
  13. 5/6
  14. 13/12
  15. 19/24
  16. 17/14
  17. 1
  18. 1
  19. 4/15
  20. 23/55
  21. 3/22
  22. 17/15
  23. 21/20
  24. 13/9
  25. 1/2
  26. 6/5
  27. 17/33
  28. 4/9
  29. 48/35
  30. 6/7
  31. 11/18
  32. 18/35
  33. 5/12
  34. 5/4
  35. 44/45
  36. 1/12
  37. 5/21
  38. 1/3
  39. 7/30
  40. 1/3

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