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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 505 · 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. 1.7/9 + 7/9 =
  2. 2.6/10 + 6/10 =
  3. 3.1/3 − 3/11 =
  4. 4.6/9 + 4/12 =
  5. 5.1/8 + 5/9 =
  6. 6.6/7 + 8/10 =
  7. 7.3/6 + 2/6 =
  8. 8.2/3 + 2/5 =
  9. 9.3/4 + 6/7 =
  10. 10.7/11 + 1/5 =
  11. 11.1/12 + 1/9 =
  12. 12.1/4 − 1/7 =
  13. 13.7/10 − 2/9 =
  14. 14.1/2 + 1/2 =
  15. 15.9/12 − 2/3 =
  16. 16.1/9 + 8/9 =
  17. 17.4/8 + 9/12 =
  18. 18.5/10 − 1/5 =
  19. 19.3/6 + 2/8 =
  20. 20.3/4 − 3/10 =
  21. 21.2/5 + 2/5 =
  22. 22.1/5 − 1/7 =
  23. 23.8/9 + 2/4 =
  24. 24.1/4 + 5/9 =
  25. 25.9/11 − 3/11 =
  26. 26.1/2 + 2/3 =
  27. 27.1/2 − 1/10 =
  28. 28.1/2 − 2/8 =
  29. 29.1/2 + 2/10 =
  30. 30.3/4 + 1/5 =
  31. 31.2/4 + 1/10 =
  32. 32.1/2 − 1/3 =
  33. 33.2/12 − 1/9 =
  34. 34.1/8 + 6/7 =
  35. 35.1/5 + 5/10 =
  36. 36.7/8 + 2/8 =
  37. 37.4/10 + 3/5 =
  38. 38.1/2 + 2/3 =
  39. 39.2/4 + 10/12 =
  40. 40.3/7 + 1/2 =

Answer key

  1. 14/9
  2. 6/5
  3. 2/33
  4. 1
  5. 49/72
  6. 58/35
  7. 5/6
  8. 16/15
  9. 45/28
  10. 46/55
  11. 7/36
  12. 3/28
  13. 43/90
  14. 1
  15. 1/12
  16. 1
  17. 5/4
  18. 3/10
  19. 3/4
  20. 9/20
  21. 4/5
  22. 2/35
  23. 25/18
  24. 29/36
  25. 6/11
  26. 7/6
  27. 2/5
  28. 1/4
  29. 7/10
  30. 19/20
  31. 3/5
  32. 1/6
  33. 1/18
  34. 55/56
  35. 7/10
  36. 9/8
  37. 1
  38. 7/6
  39. 4/3
  40. 13/14

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