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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 902 · 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. 1.1/5 + 1/2 =
  2. 2.2/3 − 1/7 =
  3. 3.4/5 + 1/5 =
  4. 4.9/12 − 2/3 =
  5. 5.11/12 + 7/9 =
  6. 6.4/5 − 9/12 =
  7. 7.5/7 − 5/10 =
  8. 8.1/2 + 5/9 =
  9. 9.8/9 − 5/6 =
  10. 10.1/2 + 3/6 =
  11. 11.2/5 + 2/4 =
  12. 12.3/6 + 1/7 =
  13. 13.2/10 + 3/6 =
  14. 14.3/10 − 2/7 =
  15. 15.11/12 − 6/12 =
  16. 16.1/2 + 4/5 =
  17. 17.1/2 + 2/4 =
  18. 18.1/3 + 1/3 =
  19. 19.5/8 − 1/3 =
  20. 20.1/2 + 1/2 =
  21. 21.1/3 + 2/6 =
  22. 22.7/9 + 6/8 =
  23. 23.6/10 + 7/11 =
  24. 24.1/2 − 1/7 =
  25. 25.6/9 + 6/9 =
  26. 26.2/4 − 1/3 =
  27. 27.2/3 − 2/11 =
  28. 28.2/7 + 2/10 =
  29. 29.1/2 + 1/3 =
  30. 30.4/6 + 2/3 =
  31. 31.2/5 + 1/7 =
  32. 32.1/3 − 2/9 =
  33. 33.1/2 + 2/4 =
  34. 34.1/2 − 1/3 =
  35. 35.2/4 + 1/2 =
  36. 36.5/12 + 9/11 =
  37. 37.1/5 + 2/12 =
  38. 38.1/3 + 3/9 =
  39. 39.7/9 − 1/2 =
  40. 40.1/3 + 3/11 =

Answer key

  1. 7/10
  2. 11/21
  3. 1
  4. 1/12
  5. 61/36
  6. 1/20
  7. 3/14
  8. 19/18
  9. 1/18
  10. 1
  11. 9/10
  12. 9/14
  13. 7/10
  14. 1/70
  15. 5/12
  16. 13/10
  17. 1
  18. 2/3
  19. 7/24
  20. 1
  21. 2/3
  22. 55/36
  23. 68/55
  24. 5/14
  25. 4/3
  26. 1/6
  27. 16/33
  28. 17/35
  29. 5/6
  30. 4/3
  31. 19/35
  32. 1/9
  33. 1
  34. 1/6
  35. 1
  36. 163/132
  37. 11/30
  38. 2/3
  39. 5/18
  40. 20/33

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