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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 118 · 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. 1.2/11 + 4/5 =
  2. 2.1/2 − 1/3 =
  3. 3.6/9 + 9/12 =
  4. 4.4/11 + 1/2 =
  5. 5.7/9 − 2/6 =
  6. 6.3/12 + 5/8 =
  7. 7.2/8 + 3/8 =
  8. 8.9/11 + 5/8 =
  9. 9.8/9 + 1/3 =
  10. 10.5/6 + 2/4 =
  11. 11.1/5 + 1/4 =
  12. 12.2/3 − 1/2 =
  13. 13.1/8 + 3/4 =
  14. 14.2/4 + 5/9 =
  15. 15.10/12 − 1/4 =
  16. 16.3/4 − 6/9 =
  17. 17.3/9 + 3/6 =
  18. 18.4/11 + 3/11 =
  19. 19.2/4 − 3/12 =
  20. 20.2/3 + 5/10 =
  21. 21.6/12 + 1/12 =
  22. 22.1/2 + 1/11 =
  23. 23.2/6 + 5/11 =
  24. 24.6/10 + 1/4 =
  25. 25.2/4 + 3/4 =
  26. 26.1/3 + 2/11 =
  27. 27.1/2 − 1/3 =
  28. 28.1/2 − 1/12 =
  29. 29.6/10 − 4/11 =
  30. 30.5/7 − 1/7 =
  31. 31.1/4 + 10/12 =
  32. 32.2/3 + 1/8 =
  33. 33.5/6 − 1/3 =
  34. 34.7/9 − 1/9 =
  35. 35.1/3 − 2/7 =
  36. 36.2/3 − 5/8 =
  37. 37.1/11 + 1/6 =
  38. 38.5/9 − 5/12 =
  39. 39.7/11 + 1/2 =
  40. 40.11/12 − 4/8 =

Answer key

  1. 54/55
  2. 1/6
  3. 17/12
  4. 19/22
  5. 4/9
  6. 7/8
  7. 5/8
  8. 127/88
  9. 11/9
  10. 4/3
  11. 9/20
  12. 1/6
  13. 7/8
  14. 19/18
  15. 7/12
  16. 1/12
  17. 5/6
  18. 7/11
  19. 1/4
  20. 7/6
  21. 7/12
  22. 13/22
  23. 26/33
  24. 17/20
  25. 5/4
  26. 17/33
  27. 1/6
  28. 5/12
  29. 13/55
  30. 4/7
  31. 13/12
  32. 19/24
  33. 1/2
  34. 2/3
  35. 1/21
  36. 1/24
  37. 17/66
  38. 5/36
  39. 25/22
  40. 5/12

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