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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 992 · 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. 1.8/10 − 1/4 =
  2. 2.4/9 − 1/9 =
  3. 3.6/12 + 6/11 =
  4. 4.11/12 + 10/12 =
  5. 5.5/8 + 1/2 =
  6. 6.2/3 − 1/4 =
  7. 7.1/4 + 4/12 =
  8. 8.11/12 − 1/4 =
  9. 9.1/3 − 1/10 =
  10. 10.4/9 + 1/5 =
  11. 11.5/10 + 5/7 =
  12. 12.4/9 − 1/9 =
  13. 13.5/9 − 1/12 =
  14. 14.2/4 + 3/11 =
  15. 15.5/7 + 4/6 =
  16. 16.1/9 + 5/7 =
  17. 17.7/9 − 3/4 =
  18. 18.4/6 − 1/3 =
  19. 19.3/9 + 2/3 =
  20. 20.7/10 + 3/4 =
  21. 21.3/9 + 3/6 =
  22. 22.1/4 − 2/10 =
  23. 23.1/10 + 1/3 =
  24. 24.3/4 − 5/10 =
  25. 25.1/3 + 2/3 =
  26. 26.7/8 + 3/8 =
  27. 27.7/9 − 2/3 =
  28. 28.8/10 − 1/2 =
  29. 29.3/4 + 2/10 =
  30. 30.1/5 + 2/10 =
  31. 31.6/8 + 1/6 =
  32. 32.3/4 + 2/6 =
  33. 33.1/2 + 1/4 =
  34. 34.2/9 + 7/9 =
  35. 35.1/4 + 1/2 =
  36. 36.2/4 + 1/2 =
  37. 37.4/6 − 7/11 =
  38. 38.6/11 − 4/9 =
  39. 39.3/6 + 8/12 =
  40. 40.4/11 + 6/10 =

Answer key

  1. 11/20
  2. 1/3
  3. 23/22
  4. 7/4
  5. 9/8
  6. 5/12
  7. 7/12
  8. 2/3
  9. 7/30
  10. 29/45
  11. 17/14
  12. 1/3
  13. 17/36
  14. 17/22
  15. 29/21
  16. 52/63
  17. 1/36
  18. 1/3
  19. 1
  20. 29/20
  21. 5/6
  22. 1/20
  23. 13/30
  24. 1/4
  25. 1
  26. 5/4
  27. 1/9
  28. 3/10
  29. 19/20
  30. 2/5
  31. 11/12
  32. 13/12
  33. 3/4
  34. 1
  35. 3/4
  36. 1
  37. 1/33
  38. 10/99
  39. 7/6
  40. 53/55

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