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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 288 · 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. 1.1/4 + 2/11 =
  2. 2.1/4 + 1/7 =
  3. 3.2/3 + 2/3 =
  4. 4.1/3 − 1/4 =
  5. 5.4/10 − 2/6 =
  6. 6.5/7 + 1/10 =
  7. 7.8/10 + 6/11 =
  8. 8.9/10 − 4/10 =
  9. 9.2/10 + 1/12 =
  10. 10.10/12 − 4/5 =
  11. 11.9/10 + 2/4 =
  12. 12.9/11 + 1/4 =
  13. 13.1/2 − 1/4 =
  14. 14.1/3 + 1/11 =
  15. 15.1/2 − 1/6 =
  16. 16.1/5 + 3/7 =
  17. 17.2/5 + 2/6 =
  18. 18.6/12 + 3/11 =
  19. 19.4/7 − 1/2 =
  20. 20.4/7 − 1/4 =
  21. 21.1/3 + 3/9 =
  22. 22.4/5 − 7/12 =
  23. 23.7/11 − 1/3 =
  24. 24.4/11 − 2/10 =
  25. 25.5/6 + 4/6 =
  26. 26.4/9 + 4/6 =
  27. 27.6/7 − 5/6 =
  28. 28.4/5 − 1/2 =
  29. 29.1/4 + 7/9 =
  30. 30.3/6 + 3/5 =
  31. 31.2/7 + 2/4 =
  32. 32.3/12 + 1/3 =
  33. 33.1/2 + 3/6 =
  34. 34.1/2 + 4/6 =
  35. 35.10/11 + 2/4 =
  36. 36.4/10 + 1/6 =
  37. 37.1/2 + 1/2 =
  38. 38.2/3 − 1/9 =
  39. 39.6/9 − 1/7 =
  40. 40.4/12 + 2/6 =

Answer key

  1. 19/44
  2. 11/28
  3. 4/3
  4. 1/12
  5. 1/15
  6. 57/70
  7. 74/55
  8. 1/2
  9. 17/60
  10. 1/30
  11. 7/5
  12. 47/44
  13. 1/4
  14. 14/33
  15. 1/3
  16. 22/35
  17. 11/15
  18. 17/22
  19. 1/14
  20. 9/28
  21. 2/3
  22. 13/60
  23. 10/33
  24. 9/55
  25. 3/2
  26. 10/9
  27. 1/42
  28. 3/10
  29. 37/36
  30. 11/10
  31. 11/14
  32. 7/12
  33. 1
  34. 7/6
  35. 31/22
  36. 17/30
  37. 1
  38. 5/9
  39. 11/21
  40. 2/3

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