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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 331 · 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. 1.3/5 − 5/9 =
  2. 2.6/11 − 2/6 =
  3. 3.1/2 + 6/9 =
  4. 4.8/9 + 7/9 =
  5. 5.3/9 − 3/10 =
  6. 6.2/6 + 1/12 =
  7. 7.9/11 − 2/4 =
  8. 8.2/8 − 1/6 =
  9. 9.1/2 − 1/4 =
  10. 10.4/6 + 2/3 =
  11. 11.5/7 − 1/2 =
  12. 12.3/10 − 1/4 =
  13. 13.2/4 + 1/2 =
  14. 14.2/3 − 1/11 =
  15. 15.1/5 + 4/5 =
  16. 16.1/11 + 2/12 =
  17. 17.10/12 − 1/3 =
  18. 18.1/5 − 1/8 =
  19. 19.2/10 + 4/5 =
  20. 20.4/7 + 2/4 =
  21. 21.2/3 + 7/10 =
  22. 22.7/8 + 1/8 =
  23. 23.3/4 − 2/3 =
  24. 24.1/9 + 3/12 =
  25. 25.2/3 − 2/4 =
  26. 26.10/12 + 8/11 =
  27. 27.1/3 + 3/8 =
  28. 28.4/11 − 1/4 =
  29. 29.1/10 + 2/12 =
  30. 30.1/6 + 2/10 =
  31. 31.1/6 − 1/11 =
  32. 32.6/11 − 1/2 =
  33. 33.2/12 + 10/11 =
  34. 34.1/7 + 2/7 =
  35. 35.3/7 + 1/2 =
  36. 36.4/9 + 4/5 =
  37. 37.3/4 − 1/4 =
  38. 38.7/11 + 1/5 =
  39. 39.5/8 − 1/2 =
  40. 40.4/8 + 2/10 =

Answer key

  1. 2/45
  2. 7/33
  3. 7/6
  4. 5/3
  5. 1/30
  6. 5/12
  7. 7/22
  8. 1/12
  9. 1/4
  10. 4/3
  11. 3/14
  12. 1/20
  13. 1
  14. 19/33
  15. 1
  16. 17/66
  17. 1/2
  18. 3/40
  19. 1
  20. 15/14
  21. 41/30
  22. 1
  23. 1/12
  24. 13/36
  25. 1/6
  26. 103/66
  27. 17/24
  28. 5/44
  29. 4/15
  30. 11/30
  31. 5/66
  32. 1/22
  33. 71/66
  34. 3/7
  35. 13/14
  36. 56/45
  37. 1/2
  38. 46/55
  39. 1/8
  40. 7/10

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