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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 261 · 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. 1.10/12 + 1/2 =
  2. 2.1/3 − 2/9 =
  3. 3.8/11 + 2/3 =
  4. 4.2/5 + 1/2 =
  5. 5.1/5 + 2/5 =
  6. 6.2/6 + 1/3 =
  7. 7.2/3 + 2/3 =
  8. 8.4/12 + 10/11 =
  9. 9.4/11 + 3/10 =
  10. 10.4/6 + 4/6 =
  11. 11.1/2 + 2/10 =
  12. 12.2/3 − 1/2 =
  13. 13.2/5 + 1/7 =
  14. 14.8/12 + 1/2 =
  15. 15.2/10 + 3/4 =
  16. 16.6/8 − 1/12 =
  17. 17.2/9 + 1/5 =
  18. 18.2/8 + 1/2 =
  19. 19.6/9 + 1/3 =
  20. 20.3/4 + 4/8 =
  21. 21.3/8 − 3/10 =
  22. 22.1/3 + 1/2 =
  23. 23.3/9 + 1/5 =
  24. 24.10/11 − 3/5 =
  25. 25.1/4 − 1/5 =
  26. 26.4/5 + 9/12 =
  27. 27.2/8 + 1/10 =
  28. 28.3/8 + 8/10 =
  29. 29.6/12 − 1/5 =
  30. 30.9/11 − 1/4 =
  31. 31.5/11 + 1/4 =
  32. 32.1/4 + 3/4 =
  33. 33.1/4 + 1/4 =
  34. 34.1/2 + 2/11 =
  35. 35.9/12 + 2/5 =
  36. 36.8/12 + 4/10 =
  37. 37.10/11 + 1/8 =
  38. 38.2/4 + 2/3 =
  39. 39.4/7 + 3/10 =
  40. 40.5/8 − 3/6 =

Answer key

  1. 4/3
  2. 1/9
  3. 46/33
  4. 9/10
  5. 3/5
  6. 2/3
  7. 4/3
  8. 41/33
  9. 73/110
  10. 4/3
  11. 7/10
  12. 1/6
  13. 19/35
  14. 7/6
  15. 19/20
  16. 2/3
  17. 19/45
  18. 3/4
  19. 1
  20. 5/4
  21. 3/40
  22. 5/6
  23. 8/15
  24. 17/55
  25. 1/20
  26. 31/20
  27. 7/20
  28. 47/40
  29. 3/10
  30. 25/44
  31. 31/44
  32. 1
  33. 1/2
  34. 15/22
  35. 23/20
  36. 16/15
  37. 91/88
  38. 7/6
  39. 61/70
  40. 1/8

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