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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 348 · 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. 1.7/8 − 1/3 =
  2. 2.7/11 − 3/10 =
  3. 3.1/3 + 5/8 =
  4. 4.8/11 − 3/10 =
  5. 5.2/4 − 3/7 =
  6. 6.2/12 + 2/3 =
  7. 7.4/9 − 1/6 =
  8. 8.5/10 + 4/8 =
  9. 9.1/4 + 1/2 =
  10. 10.7/10 + 7/10 =
  11. 11.6/8 + 4/9 =
  12. 12.2/6 + 1/7 =
  13. 13.7/12 − 2/4 =
  14. 14.6/12 + 9/12 =
  15. 15.5/9 + 3/4 =
  16. 16.2/3 − 5/9 =
  17. 17.2/4 + 1/3 =
  18. 18.4/6 − 4/7 =
  19. 19.1/11 + 4/8 =
  20. 20.6/7 + 1/3 =
  21. 21.4/6 + 1/4 =
  22. 22.2/8 + 3/4 =
  23. 23.1/6 + 3/7 =
  24. 24.2/10 + 7/12 =
  25. 25.4/8 + 5/8 =
  26. 26.1/2 + 10/11 =
  27. 27.1/5 + 1/2 =
  28. 28.1/2 + 1/2 =
  29. 29.1/7 + 3/5 =
  30. 30.1/5 + 3/4 =
  31. 31.2/7 − 1/10 =
  32. 32.1/3 + 6/7 =
  33. 33.6/10 − 1/4 =
  34. 34.3/4 − 2/7 =
  35. 35.5/11 − 1/4 =
  36. 36.9/11 − 2/3 =
  37. 37.2/10 + 1/2 =
  38. 38.3/5 − 2/8 =
  39. 39.8/11 + 4/8 =
  40. 40.3/4 − 2/6 =

Answer key

  1. 13/24
  2. 37/110
  3. 23/24
  4. 47/110
  5. 1/14
  6. 5/6
  7. 5/18
  8. 1
  9. 3/4
  10. 7/5
  11. 43/36
  12. 10/21
  13. 1/12
  14. 5/4
  15. 47/36
  16. 1/9
  17. 5/6
  18. 2/21
  19. 13/22
  20. 25/21
  21. 11/12
  22. 1
  23. 25/42
  24. 47/60
  25. 9/8
  26. 31/22
  27. 7/10
  28. 1
  29. 26/35
  30. 19/20
  31. 13/70
  32. 25/21
  33. 7/20
  34. 13/28
  35. 9/44
  36. 5/33
  37. 7/10
  38. 7/20
  39. 27/22
  40. 5/12

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