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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 677 · 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. 1.3/11 + 3/4 =
  2. 2.1/2 + 2/3 =
  3. 3.1/4 + 8/11 =
  4. 4.1/2 + 8/9 =
  5. 5.1/5 + 1/11 =
  6. 6.2/3 + 4/6 =
  7. 7.3/5 + 3/12 =
  8. 8.6/9 + 2/3 =
  9. 9.3/4 − 2/5 =
  10. 10.2/8 + 4/9 =
  11. 11.3/5 + 2/4 =
  12. 12.3/9 + 3/10 =
  13. 13.9/11 + 4/5 =
  14. 14.7/8 − 1/5 =
  15. 15.3/6 + 1/2 =
  16. 16.1/2 + 2/5 =
  17. 17.1/2 − 3/12 =
  18. 18.8/11 − 1/10 =
  19. 19.8/9 − 5/9 =
  20. 20.1/2 − 2/11 =
  21. 21.1/11 + 5/11 =
  22. 22.6/12 + 2/9 =
  23. 23.1/3 + 5/10 =
  24. 24.6/8 + 9/11 =
  25. 25.2/11 + 2/10 =
  26. 26.2/9 + 4/8 =
  27. 27.1/2 + 3/12 =
  28. 28.8/10 − 2/6 =
  29. 29.6/9 + 1/2 =
  30. 30.3/7 − 2/11 =
  31. 31.1/3 + 1/3 =
  32. 32.5/6 + 1/2 =
  33. 33.2/8 + 1/2 =
  34. 34.10/12 − 1/2 =
  35. 35.7/9 + 8/10 =
  36. 36.2/5 + 4/6 =
  37. 37.1/3 + 2/5 =
  38. 38.4/5 − 1/2 =
  39. 39.3/4 + 1/2 =
  40. 40.4/6 + 2/3 =

Answer key

  1. 45/44
  2. 7/6
  3. 43/44
  4. 25/18
  5. 16/55
  6. 4/3
  7. 17/20
  8. 4/3
  9. 7/20
  10. 25/36
  11. 11/10
  12. 19/30
  13. 89/55
  14. 27/40
  15. 1
  16. 9/10
  17. 1/4
  18. 69/110
  19. 1/3
  20. 7/22
  21. 6/11
  22. 13/18
  23. 5/6
  24. 69/44
  25. 21/55
  26. 13/18
  27. 3/4
  28. 7/15
  29. 7/6
  30. 19/77
  31. 2/3
  32. 4/3
  33. 3/4
  34. 1/3
  35. 71/45
  36. 16/15
  37. 11/15
  38. 3/10
  39. 5/4
  40. 4/3

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