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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 993 · 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. 1.10/12 − 2/12 =
  2. 2.5/7 + 2/5 =
  3. 3.4/7 − 3/6 =
  4. 4.7/9 + 1/3 =
  5. 5.4/6 − 5/8 =
  6. 6.2/7 + 2/7 =
  7. 7.5/6 − 2/4 =
  8. 8.8/10 − 2/8 =
  9. 9.1/3 + 4/5 =
  10. 10.1/2 − 2/7 =
  11. 11.4/6 + 2/3 =
  12. 12.1/9 + 1/4 =
  13. 13.5/8 − 1/5 =
  14. 14.6/9 + 5/8 =
  15. 15.2/6 + 2/7 =
  16. 16.2/3 − 2/4 =
  17. 17.1/2 − 1/4 =
  18. 18.2/4 − 4/10 =
  19. 19.7/11 − 1/4 =
  20. 20.4/10 − 1/9 =
  21. 21.2/5 − 1/4 =
  22. 22.3/6 + 3/4 =
  23. 23.9/12 − 1/2 =
  24. 24.3/4 − 1/12 =
  25. 25.1/6 + 9/11 =
  26. 26.3/6 − 1/3 =
  27. 27.1/2 + 2/3 =
  28. 28.4/9 − 1/6 =
  29. 29.1/2 + 1/3 =
  30. 30.1/2 + 4/10 =
  31. 31.4/9 − 3/7 =
  32. 32.4/9 + 1/4 =
  33. 33.2/3 + 4/7 =
  34. 34.4/7 − 2/5 =
  35. 35.2/3 − 1/2 =
  36. 36.6/11 + 3/4 =
  37. 37.3/9 + 7/10 =
  38. 38.1/9 + 4/10 =
  39. 39.3/4 + 2/3 =
  40. 40.10/11 + 2/7 =

Answer key

  1. 2/3
  2. 39/35
  3. 1/14
  4. 10/9
  5. 1/24
  6. 4/7
  7. 1/3
  8. 11/20
  9. 17/15
  10. 3/14
  11. 4/3
  12. 13/36
  13. 17/40
  14. 31/24
  15. 13/21
  16. 1/6
  17. 1/4
  18. 1/10
  19. 17/44
  20. 13/45
  21. 3/20
  22. 5/4
  23. 1/4
  24. 2/3
  25. 65/66
  26. 1/6
  27. 7/6
  28. 5/18
  29. 5/6
  30. 9/10
  31. 1/63
  32. 25/36
  33. 26/21
  34. 6/35
  35. 1/6
  36. 57/44
  37. 31/30
  38. 23/45
  39. 17/12
  40. 92/77

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