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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 198 · 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. 1.7/10 + 1/3 =
  2. 2.3/5 + 2/10 =
  3. 3.1/3 + 1/8 =
  4. 4.1/4 + 3/10 =
  5. 5.2/4 + 1/3 =
  6. 6.3/8 + 1/11 =
  7. 7.10/12 − 3/10 =
  8. 8.1/2 + 2/3 =
  9. 9.4/5 + 1/3 =
  10. 10.2/5 + 1/2 =
  11. 11.1/3 + 3/10 =
  12. 12.5/6 + 7/8 =
  13. 13.3/8 + 4/5 =
  14. 14.5/6 − 1/2 =
  15. 15.3/5 − 2/7 =
  16. 16.4/9 + 1/2 =
  17. 17.3/6 − 1/3 =
  18. 18.3/4 − 2/5 =
  19. 19.2/6 − 3/12 =
  20. 20.4/7 − 1/10 =
  21. 21.4/8 + 2/8 =
  22. 22.8/10 + 5/8 =
  23. 23.1/2 + 1/2 =
  24. 24.2/6 + 4/8 =
  25. 25.3/5 − 2/8 =
  26. 26.5/12 + 1/8 =
  27. 27.6/8 + 2/3 =
  28. 28.3/7 + 2/6 =
  29. 29.6/8 − 2/3 =
  30. 30.4/6 + 2/7 =
  31. 31.9/11 + 5/12 =
  32. 32.1/12 + 1/4 =
  33. 33.6/8 − 1/9 =
  34. 34.7/12 + 2/11 =
  35. 35.1/5 + 4/6 =
  36. 36.2/4 − 1/3 =
  37. 37.4/5 + 9/12 =
  38. 38.8/9 − 1/9 =
  39. 39.2/4 − 1/7 =
  40. 40.2/3 + 3/6 =

Answer key

  1. 31/30
  2. 4/5
  3. 11/24
  4. 11/20
  5. 5/6
  6. 41/88
  7. 8/15
  8. 7/6
  9. 17/15
  10. 9/10
  11. 19/30
  12. 41/24
  13. 47/40
  14. 1/3
  15. 11/35
  16. 17/18
  17. 1/6
  18. 7/20
  19. 1/12
  20. 33/70
  21. 3/4
  22. 57/40
  23. 1
  24. 5/6
  25. 7/20
  26. 13/24
  27. 17/12
  28. 16/21
  29. 1/12
  30. 20/21
  31. 163/132
  32. 1/3
  33. 23/36
  34. 101/132
  35. 13/15
  36. 1/6
  37. 31/20
  38. 7/9
  39. 5/14
  40. 7/6

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