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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 181 · 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. 1.5/8 − 1/2 =
  2. 2.1/3 + 4/8 =
  3. 3.6/8 + 1/2 =
  4. 4.6/11 − 1/4 =
  5. 5.7/10 + 1/2 =
  6. 6.2/3 − 1/4 =
  7. 7.6/9 + 1/2 =
  8. 8.6/11 − 4/8 =
  9. 9.1/2 + 9/10 =
  10. 10.4/8 − 1/5 =
  11. 11.10/11 + 9/10 =
  12. 12.1/3 + 1/3 =
  13. 13.1/4 + 2/6 =
  14. 14.3/4 + 1/2 =
  15. 15.1/12 + 1/12 =
  16. 16.9/12 − 1/3 =
  17. 17.7/11 + 1/3 =
  18. 18.1/3 − 1/4 =
  19. 19.1/4 − 1/8 =
  20. 20.1/2 + 6/7 =
  21. 21.8/10 + 6/10 =
  22. 22.4/11 + 1/4 =
  23. 23.2/5 + 1/9 =
  24. 24.3/8 − 1/6 =
  25. 25.2/7 − 1/4 =
  26. 26.5/10 − 2/6 =
  27. 27.4/8 + 1/2 =
  28. 28.9/11 − 3/4 =
  29. 29.1/2 + 2/11 =
  30. 30.10/12 + 5/6 =
  31. 31.5/7 + 7/12 =
  32. 32.10/11 + 1/12 =
  33. 33.6/12 + 8/9 =
  34. 34.3/10 + 7/8 =
  35. 35.4/9 − 2/8 =
  36. 36.1/3 + 5/10 =
  37. 37.3/5 + 2/7 =
  38. 38.1/4 + 8/9 =
  39. 39.3/5 − 2/10 =
  40. 40.1/3 − 1/5 =

Answer key

  1. 1/8
  2. 5/6
  3. 5/4
  4. 13/44
  5. 6/5
  6. 5/12
  7. 7/6
  8. 1/22
  9. 7/5
  10. 3/10
  11. 199/110
  12. 2/3
  13. 7/12
  14. 5/4
  15. 1/6
  16. 5/12
  17. 32/33
  18. 1/12
  19. 1/8
  20. 19/14
  21. 7/5
  22. 27/44
  23. 23/45
  24. 5/24
  25. 1/28
  26. 1/6
  27. 1
  28. 3/44
  29. 15/22
  30. 5/3
  31. 109/84
  32. 131/132
  33. 25/18
  34. 47/40
  35. 7/36
  36. 5/6
  37. 31/35
  38. 41/36
  39. 2/5
  40. 2/15

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