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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 976 · 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. 1.3/5 + 2/3 =
  2. 2.3/4 − 3/6 =
  3. 3.2/8 + 7/11 =
  4. 4.3/9 + 8/10 =
  5. 5.2/12 + 1/2 =
  6. 6.1/2 + 5/12 =
  7. 7.7/11 + 5/6 =
  8. 8.3/5 − 1/3 =
  9. 9.5/7 + 5/11 =
  10. 10.3/11 + 1/8 =
  11. 11.1/5 − 1/11 =
  12. 12.1/7 + 9/12 =
  13. 13.4/5 + 5/9 =
  14. 14.5/12 + 5/6 =
  15. 15.3/8 + 2/7 =
  16. 16.11/12 − 2/3 =
  17. 17.1/4 + 7/11 =
  18. 18.8/9 + 4/5 =
  19. 19.6/10 + 8/9 =
  20. 20.1/2 + 3/4 =
  21. 21.1/4 + 1/11 =
  22. 22.5/9 + 1/2 =
  23. 23.1/2 + 1/6 =
  24. 24.3/9 − 1/5 =
  25. 25.2/3 − 1/2 =
  26. 26.1/3 + 2/5 =
  27. 27.4/10 + 2/5 =
  28. 28.6/8 − 8/11 =
  29. 29.3/11 + 2/9 =
  30. 30.5/6 − 1/3 =
  31. 31.2/12 + 2/10 =
  32. 32.8/9 + 2/9 =
  33. 33.4/12 + 3/5 =
  34. 34.5/9 − 2/8 =
  35. 35.3/8 − 1/6 =
  36. 36.4/8 + 2/11 =
  37. 37.1/2 + 1/2 =
  38. 38.1/2 − 2/5 =
  39. 39.3/4 − 2/5 =
  40. 40.2/3 − 2/8 =

Answer key

  1. 19/15
  2. 1/4
  3. 39/44
  4. 17/15
  5. 2/3
  6. 11/12
  7. 97/66
  8. 4/15
  9. 90/77
  10. 35/88
  11. 6/55
  12. 25/28
  13. 61/45
  14. 5/4
  15. 37/56
  16. 1/4
  17. 39/44
  18. 76/45
  19. 67/45
  20. 5/4
  21. 15/44
  22. 19/18
  23. 2/3
  24. 2/15
  25. 1/6
  26. 11/15
  27. 4/5
  28. 1/44
  29. 49/99
  30. 1/2
  31. 11/30
  32. 10/9
  33. 14/15
  34. 11/36
  35. 5/24
  36. 15/22
  37. 1
  38. 1/10
  39. 7/20
  40. 5/12

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