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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 186 · 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. 1.1/2 + 3/6 =
  2. 2.2/5 + 9/10 =
  3. 3.6/10 − 4/9 =
  4. 4.2/6 + 5/12 =
  5. 5.1/2 + 1/2 =
  6. 6.1/5 + 2/9 =
  7. 7.6/8 + 1/2 =
  8. 8.5/10 + 1/2 =
  9. 9.2/5 + 1/2 =
  10. 10.8/9 + 5/10 =
  11. 11.3/4 + 4/5 =
  12. 12.2/4 − 1/3 =
  13. 13.2/4 + 3/4 =
  14. 14.3/7 + 11/12 =
  15. 15.3/4 − 4/6 =
  16. 16.1/2 + 2/8 =
  17. 17.1/10 + 1/2 =
  18. 18.6/9 − 3/6 =
  19. 19.7/9 − 6/11 =
  20. 20.9/10 + 3/8 =
  21. 21.4/11 − 1/5 =
  22. 22.3/7 − 1/3 =
  23. 23.1/4 + 1/3 =
  24. 24.1/5 + 1/10 =
  25. 25.4/5 + 2/10 =
  26. 26.9/10 + 5/6 =
  27. 27.8/9 + 7/11 =
  28. 28.8/12 − 2/9 =
  29. 29.3/11 + 2/11 =
  30. 30.7/11 − 4/9 =
  31. 31.1/3 + 1/3 =
  32. 32.8/10 − 2/10 =
  33. 33.3/5 − 1/2 =
  34. 34.1/2 + 1/2 =
  35. 35.9/12 + 2/3 =
  36. 36.2/8 + 1/10 =
  37. 37.2/4 + 7/8 =
  38. 38.1/2 − 2/8 =
  39. 39.2/12 + 2/6 =
  40. 40.3/5 + 1/2 =

Answer key

  1. 1
  2. 13/10
  3. 7/45
  4. 3/4
  5. 1
  6. 19/45
  7. 5/4
  8. 1
  9. 9/10
  10. 25/18
  11. 31/20
  12. 1/6
  13. 5/4
  14. 113/84
  15. 1/12
  16. 3/4
  17. 3/5
  18. 1/6
  19. 23/99
  20. 51/40
  21. 9/55
  22. 2/21
  23. 7/12
  24. 3/10
  25. 1
  26. 26/15
  27. 151/99
  28. 4/9
  29. 5/11
  30. 19/99
  31. 2/3
  32. 3/5
  33. 1/10
  34. 1
  35. 17/12
  36. 7/20
  37. 11/8
  38. 1/4
  39. 1/2
  40. 11/10

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