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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 698 · 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. 1.2/5 + 2/7 =
  2. 2.1/2 + 4/6 =
  3. 3.7/10 − 1/12 =
  4. 4.4/6 − 3/12 =
  5. 5.6/8 − 2/5 =
  6. 6.2/3 + 2/6 =
  7. 7.2/3 + 4/8 =
  8. 8.4/8 + 1/4 =
  9. 9.8/11 − 1/6 =
  10. 10.9/10 − 3/10 =
  11. 11.5/11 − 1/5 =
  12. 12.1/3 + 1/6 =
  13. 13.6/7 − 1/6 =
  14. 14.7/9 + 5/8 =
  15. 15.4/10 − 3/12 =
  16. 16.4/5 − 1/5 =
  17. 17.2/8 + 2/9 =
  18. 18.2/4 + 9/10 =
  19. 19.2/9 + 2/6 =
  20. 20.8/9 − 8/11 =
  21. 21.2/4 + 2/5 =
  22. 22.9/11 − 8/12 =
  23. 23.3/7 + 3/7 =
  24. 24.2/5 − 2/10 =
  25. 25.8/10 − 4/8 =
  26. 26.7/11 + 1/11 =
  27. 27.9/12 − 1/6 =
  28. 28.3/9 + 4/12 =
  29. 29.1/5 + 6/7 =
  30. 30.1/2 − 1/3 =
  31. 31.4/6 + 7/11 =
  32. 32.2/3 − 1/6 =
  33. 33.6/11 − 3/12 =
  34. 34.5/6 − 2/6 =
  35. 35.3/4 − 2/4 =
  36. 36.1/12 + 1/8 =
  37. 37.2/6 − 1/10 =
  38. 38.5/6 − 2/6 =
  39. 39.5/9 + 1/3 =
  40. 40.1/3 + 1/2 =

Answer key

  1. 24/35
  2. 7/6
  3. 37/60
  4. 5/12
  5. 7/20
  6. 1
  7. 7/6
  8. 3/4
  9. 37/66
  10. 3/5
  11. 14/55
  12. 1/2
  13. 29/42
  14. 101/72
  15. 3/20
  16. 3/5
  17. 17/36
  18. 7/5
  19. 5/9
  20. 16/99
  21. 9/10
  22. 5/33
  23. 6/7
  24. 1/5
  25. 3/10
  26. 8/11
  27. 7/12
  28. 2/3
  29. 37/35
  30. 1/6
  31. 43/33
  32. 1/2
  33. 13/44
  34. 1/2
  35. 1/4
  36. 5/24
  37. 7/30
  38. 1/2
  39. 8/9
  40. 5/6

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