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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 441 · 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. 1.9/10 − 5/8 =
  2. 2.5/6 + 4/7 =
  3. 3.6/7 − 4/5 =
  4. 4.1/3 − 2/12 =
  5. 5.2/5 − 2/6 =
  6. 6.1/4 + 2/3 =
  7. 7.9/10 − 1/4 =
  8. 8.2/6 + 1/2 =
  9. 9.11/12 − 2/6 =
  10. 10.4/6 − 6/11 =
  11. 11.8/12 − 6/11 =
  12. 12.7/10 − 6/10 =
  13. 13.1/4 + 1/3 =
  14. 14.8/9 − 3/4 =
  15. 15.2/5 − 2/12 =
  16. 16.1/3 + 1/4 =
  17. 17.7/9 + 1/2 =
  18. 18.9/10 − 2/10 =
  19. 19.7/10 + 2/4 =
  20. 20.6/12 − 3/10 =
  21. 21.2/8 + 2/3 =
  22. 22.6/11 + 2/3 =
  23. 23.1/5 + 1/2 =
  24. 24.7/11 + 2/7 =
  25. 25.1/11 + 1/3 =
  26. 26.5/9 − 1/3 =
  27. 27.8/11 + 4/10 =
  28. 28.6/9 − 1/2 =
  29. 29.1/3 + 3/7 =
  30. 30.9/10 − 2/3 =
  31. 31.1/5 + 5/7 =
  32. 32.3/4 + 3/4 =
  33. 33.3/4 − 1/6 =
  34. 34.2/3 + 2/6 =
  35. 35.3/8 + 1/2 =
  36. 36.1/2 + 2/3 =
  37. 37.2/3 + 2/3 =
  38. 38.4/10 − 1/5 =
  39. 39.2/6 − 1/8 =
  40. 40.5/12 + 1/12 =

Answer key

  1. 11/40
  2. 59/42
  3. 2/35
  4. 1/6
  5. 1/15
  6. 11/12
  7. 13/20
  8. 5/6
  9. 7/12
  10. 4/33
  11. 4/33
  12. 1/10
  13. 7/12
  14. 5/36
  15. 7/30
  16. 7/12
  17. 23/18
  18. 7/10
  19. 6/5
  20. 1/5
  21. 11/12
  22. 40/33
  23. 7/10
  24. 71/77
  25. 14/33
  26. 2/9
  27. 62/55
  28. 1/6
  29. 16/21
  30. 7/30
  31. 32/35
  32. 3/2
  33. 7/12
  34. 1
  35. 7/8
  36. 7/6
  37. 4/3
  38. 1/5
  39. 5/24
  40. 1/2

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