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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 228 · 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. 1.2/11 + 1/2 =
  2. 2.5/6 − 6/12 =
  3. 3.3/12 + 8/9 =
  4. 4.4/9 − 3/11 =
  5. 5.1/6 + 1/2 =
  6. 6.1/3 + 4/8 =
  7. 7.4/9 − 2/11 =
  8. 8.3/9 + 6/11 =
  9. 9.1/4 + 2/9 =
  10. 10.8/9 − 3/4 =
  11. 11.10/11 − 9/11 =
  12. 12.2/3 + 1/6 =
  13. 13.2/10 + 4/8 =
  14. 14.6/10 − 2/6 =
  15. 15.1/4 − 2/9 =
  16. 16.5/8 + 1/5 =
  17. 17.2/8 + 2/4 =
  18. 18.11/12 − 9/12 =
  19. 19.4/12 + 10/12 =
  20. 20.2/11 + 5/6 =
  21. 21.4/12 + 1/3 =
  22. 22.2/4 + 1/3 =
  23. 23.1/2 + 8/10 =
  24. 24.2/8 − 1/7 =
  25. 25.1/2 + 4/5 =
  26. 26.5/8 − 1/8 =
  27. 27.5/6 − 2/3 =
  28. 28.1/12 + 1/3 =
  29. 29.2/7 + 2/7 =
  30. 30.5/12 + 4/6 =
  31. 31.1/4 − 1/12 =
  32. 32.10/12 + 1/4 =
  33. 33.7/12 + 1/2 =
  34. 34.1/2 − 3/7 =
  35. 35.2/3 − 3/6 =
  36. 36.2/5 − 2/6 =
  37. 37.1/4 + 5/11 =
  38. 38.2/4 + 7/9 =
  39. 39.6/10 − 1/4 =
  40. 40.1/2 − 1/3 =

Answer key

  1. 15/22
  2. 1/3
  3. 41/36
  4. 17/99
  5. 2/3
  6. 5/6
  7. 26/99
  8. 29/33
  9. 17/36
  10. 5/36
  11. 1/11
  12. 5/6
  13. 7/10
  14. 4/15
  15. 1/36
  16. 33/40
  17. 3/4
  18. 1/6
  19. 7/6
  20. 67/66
  21. 2/3
  22. 5/6
  23. 13/10
  24. 3/28
  25. 13/10
  26. 1/2
  27. 1/6
  28. 5/12
  29. 4/7
  30. 13/12
  31. 1/6
  32. 13/12
  33. 13/12
  34. 1/14
  35. 1/6
  36. 1/15
  37. 31/44
  38. 23/18
  39. 7/20
  40. 1/6

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