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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 530 · 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. 1.2/3 − 3/7 =
  2. 2.1/2 + 2/4 =
  3. 3.8/9 − 4/6 =
  4. 4.1/5 + 1/6 =
  5. 5.1/6 + 1/2 =
  6. 6.4/6 + 1/6 =
  7. 7.3/9 + 1/2 =
  8. 8.2/5 − 2/7 =
  9. 9.7/12 − 4/8 =
  10. 10.7/10 + 3/11 =
  11. 11.8/10 − 1/6 =
  12. 12.3/8 − 1/9 =
  13. 13.2/3 + 1/2 =
  14. 14.5/7 − 7/10 =
  15. 15.2/9 + 2/11 =
  16. 16.3/4 + 5/6 =
  17. 17.6/9 + 2/3 =
  18. 18.2/3 + 2/3 =
  19. 19.1/3 − 1/5 =
  20. 20.2/4 − 2/8 =
  21. 21.1/2 + 3/4 =
  22. 22.1/2 + 2/9 =
  23. 23.2/3 − 1/9 =
  24. 24.2/3 − 3/11 =
  25. 25.1/3 + 5/6 =
  26. 26.4/5 + 1/4 =
  27. 27.1/3 + 1/11 =
  28. 28.1/4 + 2/3 =
  29. 29.2/3 − 7/12 =
  30. 30.6/12 − 3/8 =
  31. 31.9/12 − 1/2 =
  32. 32.1/2 + 3/12 =
  33. 33.4/9 + 2/4 =
  34. 34.2/3 + 9/12 =
  35. 35.4/10 + 8/9 =
  36. 36.1/6 + 1/3 =
  37. 37.6/10 − 2/9 =
  38. 38.3/5 − 1/5 =
  39. 39.8/9 − 6/7 =
  40. 40.1/2 + 2/12 =

Answer key

  1. 5/21
  2. 1
  3. 2/9
  4. 11/30
  5. 2/3
  6. 5/6
  7. 5/6
  8. 4/35
  9. 1/12
  10. 107/110
  11. 19/30
  12. 19/72
  13. 7/6
  14. 1/70
  15. 40/99
  16. 19/12
  17. 4/3
  18. 4/3
  19. 2/15
  20. 1/4
  21. 5/4
  22. 13/18
  23. 5/9
  24. 13/33
  25. 7/6
  26. 21/20
  27. 14/33
  28. 11/12
  29. 1/12
  30. 1/8
  31. 1/4
  32. 3/4
  33. 17/18
  34. 17/12
  35. 58/45
  36. 1/2
  37. 17/45
  38. 2/5
  39. 2/63
  40. 2/3

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