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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 692 · 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. 1.10/11 − 1/4 =
  2. 2.7/12 − 1/9 =
  3. 3.1/2 − 3/9 =
  4. 4.3/4 + 6/9 =
  5. 5.6/9 − 2/5 =
  6. 6.4/5 − 1/12 =
  7. 7.3/10 + 1/5 =
  8. 8.3/9 + 1/2 =
  9. 9.2/5 + 5/10 =
  10. 10.2/3 + 1/10 =
  11. 11.4/12 + 9/11 =
  12. 12.2/5 + 4/12 =
  13. 13.1/2 − 1/3 =
  14. 14.10/12 + 3/6 =
  15. 15.1/3 + 1/3 =
  16. 16.1/7 + 2/5 =
  17. 17.9/10 − 1/2 =
  18. 18.3/6 + 8/12 =
  19. 19.6/7 − 2/6 =
  20. 20.4/8 + 2/6 =
  21. 21.3/6 + 1/2 =
  22. 22.5/7 − 4/10 =
  23. 23.5/11 − 3/12 =
  24. 24.2/6 − 1/7 =
  25. 25.2/9 + 3/12 =
  26. 26.2/8 + 1/10 =
  27. 27.5/11 + 1/3 =
  28. 28.2/3 − 3/8 =
  29. 29.2/4 + 5/8 =
  30. 30.2/6 − 1/5 =
  31. 31.1/5 + 1/7 =
  32. 32.4/5 + 3/11 =
  33. 33.4/8 − 2/12 =
  34. 34.1/3 + 5/10 =
  35. 35.1/11 + 1/5 =
  36. 36.1/11 + 4/7 =
  37. 37.1/3 + 2/6 =
  38. 38.1/6 − 1/11 =
  39. 39.4/11 − 2/6 =
  40. 40.5/11 + 7/9 =

Answer key

  1. 29/44
  2. 17/36
  3. 1/6
  4. 17/12
  5. 4/15
  6. 43/60
  7. 1/2
  8. 5/6
  9. 9/10
  10. 23/30
  11. 38/33
  12. 11/15
  13. 1/6
  14. 4/3
  15. 2/3
  16. 19/35
  17. 2/5
  18. 7/6
  19. 11/21
  20. 5/6
  21. 1
  22. 11/35
  23. 9/44
  24. 4/21
  25. 17/36
  26. 7/20
  27. 26/33
  28. 7/24
  29. 9/8
  30. 2/15
  31. 12/35
  32. 59/55
  33. 1/3
  34. 5/6
  35. 16/55
  36. 51/77
  37. 2/3
  38. 5/66
  39. 1/33
  40. 122/99

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