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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 468 · 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. 1.3/4 − 6/11 =
  2. 2.1/2 − 3/7 =
  3. 3.1/2 + 1/5 =
  4. 4.1/7 + 5/6 =
  5. 5.3/8 + 2/4 =
  6. 6.4/5 + 3/8 =
  7. 7.2/9 + 1/2 =
  8. 8.2/4 + 1/4 =
  9. 9.4/7 − 5/12 =
  10. 10.2/10 + 1/3 =
  11. 11.1/2 + 1/2 =
  12. 12.3/5 − 1/6 =
  13. 13.1/9 − 1/11 =
  14. 14.1/3 + 3/4 =
  15. 15.5/10 + 6/12 =
  16. 16.1/3 + 1/8 =
  17. 17.1/4 + 1/2 =
  18. 18.1/3 + 1/2 =
  19. 19.8/9 − 1/2 =
  20. 20.2/6 − 2/9 =
  21. 21.1/3 + 1/6 =
  22. 22.3/9 + 4/8 =
  23. 23.5/7 + 2/3 =
  24. 24.1/3 + 2/7 =
  25. 25.4/9 + 1/8 =
  26. 26.8/10 + 2/4 =
  27. 27.1/3 − 1/4 =
  28. 28.1/2 − 1/5 =
  29. 29.4/6 − 2/10 =
  30. 30.5/6 + 4/6 =
  31. 31.5/11 + 1/4 =
  32. 32.3/4 + 1/6 =
  33. 33.5/10 + 2/3 =
  34. 34.1/10 + 2/8 =
  35. 35.4/6 + 9/10 =
  36. 36.1/4 + 6/8 =
  37. 37.2/4 + 4/5 =
  38. 38.4/6 − 1/11 =
  39. 39.1/2 + 1/2 =
  40. 40.5/6 − 6/9 =

Answer key

  1. 9/44
  2. 1/14
  3. 7/10
  4. 41/42
  5. 7/8
  6. 47/40
  7. 13/18
  8. 3/4
  9. 13/84
  10. 8/15
  11. 1
  12. 13/30
  13. 2/99
  14. 13/12
  15. 1
  16. 11/24
  17. 3/4
  18. 5/6
  19. 7/18
  20. 1/9
  21. 1/2
  22. 5/6
  23. 29/21
  24. 13/21
  25. 41/72
  26. 13/10
  27. 1/12
  28. 3/10
  29. 7/15
  30. 3/2
  31. 31/44
  32. 11/12
  33. 7/6
  34. 7/20
  35. 47/30
  36. 1
  37. 13/10
  38. 19/33
  39. 1
  40. 1/6

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