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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 676 · 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. 1.1/9 + 10/11 =
  2. 2.2/3 − 1/5 =
  3. 3.4/11 + 8/10 =
  4. 4.3/4 + 9/10 =
  5. 5.1/2 − 1/4 =
  6. 6.2/12 + 11/12 =
  7. 7.2/4 − 1/3 =
  8. 8.1/2 − 3/9 =
  9. 9.2/8 + 2/8 =
  10. 10.11/12 − 4/9 =
  11. 11.5/9 − 4/10 =
  12. 12.1/9 + 10/12 =
  13. 13.1/3 + 2/10 =
  14. 14.1/3 + 2/3 =
  15. 15.9/11 − 1/2 =
  16. 16.2/3 − 1/4 =
  17. 17.4/5 − 5/7 =
  18. 18.1/4 + 4/6 =
  19. 19.1/3 + 9/10 =
  20. 20.2/5 + 4/5 =
  21. 21.3/6 − 4/10 =
  22. 22.3/4 + 5/7 =
  23. 23.1/2 + 1/3 =
  24. 24.4/6 − 2/8 =
  25. 25.7/9 − 5/10 =
  26. 26.9/10 − 2/7 =
  27. 27.2/11 + 1/2 =
  28. 28.1/3 + 1/9 =
  29. 29.1/3 − 1/11 =
  30. 30.2/3 − 2/8 =
  31. 31.3/4 + 10/11 =
  32. 32.8/12 + 4/10 =
  33. 33.2/11 − 1/6 =
  34. 34.3/9 + 2/3 =
  35. 35.1/7 + 3/12 =
  36. 36.1/5 + 1/3 =
  37. 37.1/5 + 1/4 =
  38. 38.6/7 − 1/2 =
  39. 39.2/3 − 1/3 =
  40. 40.1/2 + 3/4 =

Answer key

  1. 101/99
  2. 7/15
  3. 64/55
  4. 33/20
  5. 1/4
  6. 13/12
  7. 1/6
  8. 1/6
  9. 1/2
  10. 17/36
  11. 7/45
  12. 17/18
  13. 8/15
  14. 1
  15. 7/22
  16. 5/12
  17. 3/35
  18. 11/12
  19. 37/30
  20. 6/5
  21. 1/10
  22. 41/28
  23. 5/6
  24. 5/12
  25. 5/18
  26. 43/70
  27. 15/22
  28. 4/9
  29. 8/33
  30. 5/12
  31. 73/44
  32. 16/15
  33. 1/66
  34. 1
  35. 11/28
  36. 8/15
  37. 9/20
  38. 5/14
  39. 1/3
  40. 5/4

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