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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 869 · 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 + 1/4 =
  2. 2.1/8 + 1/12 =
  3. 3.3/5 + 3/9 =
  4. 4.6/10 + 1/6 =
  5. 5.1/3 + 1/3 =
  6. 6.3/4 − 1/7 =
  7. 7.3/4 + 1/9 =
  8. 8.4/6 − 4/12 =
  9. 9.1/4 − 1/7 =
  10. 10.1/4 + 3/6 =
  11. 11.4/5 − 1/3 =
  12. 12.6/9 + 2/3 =
  13. 13.2/6 + 5/10 =
  14. 14.2/3 + 3/12 =
  15. 15.3/4 + 1/4 =
  16. 16.2/4 + 2/8 =
  17. 17.1/3 + 2/3 =
  18. 18.8/11 − 1/2 =
  19. 19.2/6 + 1/3 =
  20. 20.5/7 − 2/3 =
  21. 21.6/9 + 10/12 =
  22. 22.1/2 + 1/2 =
  23. 23.1/2 − 3/7 =
  24. 24.2/6 + 1/5 =
  25. 25.9/10 + 1/3 =
  26. 26.1/2 + 2/8 =
  27. 27.4/7 + 3/4 =
  28. 28.1/4 + 1/4 =
  29. 29.2/3 + 8/9 =
  30. 30.5/10 + 7/9 =
  31. 31.6/8 + 3/11 =
  32. 32.7/10 − 1/4 =
  33. 33.1/4 + 1/2 =
  34. 34.3/4 − 4/6 =
  35. 35.3/9 + 3/4 =
  36. 36.1/5 + 1/3 =
  37. 37.4/5 − 3/4 =
  38. 38.3/12 + 5/7 =
  39. 39.1/2 − 4/9 =
  40. 40.11/12 − 1/3 =

Answer key

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

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