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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 478 · 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 + 2/5 =
  2. 2.1/7 + 1/2 =
  3. 3.2/3 − 1/8 =
  4. 4.3/4 + 1/3 =
  5. 5.2/4 + 5/12 =
  6. 6.2/5 − 1/8 =
  7. 7.3/6 + 7/10 =
  8. 8.10/11 − 3/8 =
  9. 9.2/3 − 1/3 =
  10. 10.3/4 − 7/11 =
  11. 11.2/10 + 2/4 =
  12. 12.2/4 + 2/4 =
  13. 13.1/3 + 6/10 =
  14. 14.1/5 + 2/9 =
  15. 15.3/11 + 5/9 =
  16. 16.2/9 + 5/11 =
  17. 17.9/11 + 1/3 =
  18. 18.2/3 − 2/5 =
  19. 19.7/12 + 1/2 =
  20. 20.2/9 + 2/9 =
  21. 21.2/11 + 1/4 =
  22. 22.2/8 + 6/10 =
  23. 23.1/4 + 3/4 =
  24. 24.1/2 + 1/2 =
  25. 25.2/8 + 4/12 =
  26. 26.5/12 + 1/2 =
  27. 27.1/2 + 3/4 =
  28. 28.6/12 + 6/8 =
  29. 29.8/12 + 1/2 =
  30. 30.8/11 + 7/9 =
  31. 31.4/8 − 1/4 =
  32. 32.11/12 − 9/12 =
  33. 33.2/6 + 1/3 =
  34. 34.4/5 − 3/4 =
  35. 35.1/5 + 6/8 =
  36. 36.6/7 − 1/4 =
  37. 37.4/7 − 1/2 =
  38. 38.1/2 + 3/5 =
  39. 39.1/2 + 2/10 =
  40. 40.1/4 + 2/9 =

Answer key

  1. 1
  2. 9/14
  3. 13/24
  4. 13/12
  5. 11/12
  6. 11/40
  7. 6/5
  8. 47/88
  9. 1/3
  10. 5/44
  11. 7/10
  12. 1
  13. 14/15
  14. 19/45
  15. 82/99
  16. 67/99
  17. 38/33
  18. 4/15
  19. 13/12
  20. 4/9
  21. 19/44
  22. 17/20
  23. 1
  24. 1
  25. 7/12
  26. 11/12
  27. 5/4
  28. 5/4
  29. 7/6
  30. 149/99
  31. 1/4
  32. 1/6
  33. 2/3
  34. 1/20
  35. 19/20
  36. 17/28
  37. 1/14
  38. 11/10
  39. 7/10
  40. 17/36

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