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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 905 · 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. 1.4/7 − 1/2 =
  2. 2.4/9 + 6/8 =
  3. 3.3/6 − 2/11 =
  4. 4.9/11 + 3/4 =
  5. 5.5/11 + 6/9 =
  6. 6.1/2 − 2/5 =
  7. 7.6/8 + 1/6 =
  8. 8.5/9 + 1/2 =
  9. 9.4/5 + 6/10 =
  10. 10.8/11 + 2/5 =
  11. 11.2/9 + 1/3 =
  12. 12.1/12 + 1/3 =
  13. 13.3/7 + 1/3 =
  14. 14.3/8 − 1/3 =
  15. 15.8/10 + 10/11 =
  16. 16.7/8 + 1/2 =
  17. 17.8/9 + 2/5 =
  18. 18.1/7 − 1/12 =
  19. 19.3/9 + 1/3 =
  20. 20.2/10 + 1/5 =
  21. 21.3/4 − 1/4 =
  22. 22.1/4 − 2/9 =
  23. 23.10/12 − 3/5 =
  24. 24.6/8 + 1/2 =
  25. 25.4/5 − 2/8 =
  26. 26.3/12 + 2/5 =
  27. 27.1/2 + 4/10 =
  28. 28.3/6 + 3/5 =
  29. 29.6/8 − 2/3 =
  30. 30.1/2 + 2/5 =
  31. 31.8/9 − 2/9 =
  32. 32.1/6 + 1/2 =
  33. 33.1/3 + 2/3 =
  34. 34.1/3 + 2/4 =
  35. 35.2/6 + 10/12 =
  36. 36.4/8 + 1/2 =
  37. 37.9/11 − 8/12 =
  38. 38.1/2 + 1/9 =
  39. 39.3/4 − 2/7 =
  40. 40.2/3 + 2/9 =

Answer key

  1. 1/14
  2. 43/36
  3. 7/22
  4. 69/44
  5. 37/33
  6. 1/10
  7. 11/12
  8. 19/18
  9. 7/5
  10. 62/55
  11. 5/9
  12. 5/12
  13. 16/21
  14. 1/24
  15. 94/55
  16. 11/8
  17. 58/45
  18. 5/84
  19. 2/3
  20. 2/5
  21. 1/2
  22. 1/36
  23. 7/30
  24. 5/4
  25. 11/20
  26. 13/20
  27. 9/10
  28. 11/10
  29. 1/12
  30. 9/10
  31. 2/3
  32. 2/3
  33. 1
  34. 5/6
  35. 7/6
  36. 1
  37. 5/33
  38. 11/18
  39. 13/28
  40. 8/9

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