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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 916 · 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. 1.3/12 + 5/9 =
  2. 2.1/7 + 4/7 =
  3. 3.1/2 + 2/3 =
  4. 4.1/2 + 1/7 =
  5. 5.5/10 + 4/5 =
  6. 6.7/10 − 1/4 =
  7. 7.4/5 − 1/2 =
  8. 8.7/11 + 2/9 =
  9. 9.4/8 + 3/6 =
  10. 10.3/4 − 2/8 =
  11. 11.3/4 + 11/12 =
  12. 12.4/5 − 3/11 =
  13. 13.1/2 + 1/2 =
  14. 14.1/3 + 2/4 =
  15. 15.7/8 + 1/2 =
  16. 16.11/12 + 1/2 =
  17. 17.1/2 − 1/5 =
  18. 18.5/10 − 2/11 =
  19. 19.2/4 + 1/2 =
  20. 20.1/10 + 4/12 =
  21. 21.8/9 − 1/9 =
  22. 22.1/2 − 1/10 =
  23. 23.2/10 + 3/6 =
  24. 24.1/2 + 5/12 =
  25. 25.4/5 − 2/5 =
  26. 26.5/9 + 3/4 =
  27. 27.4/5 − 6/9 =
  28. 28.1/2 − 1/3 =
  29. 29.2/4 + 7/9 =
  30. 30.4/8 + 7/9 =
  31. 31.1/2 + 2/4 =
  32. 32.3/10 + 4/8 =
  33. 33.4/5 + 1/11 =
  34. 34.1/2 + 7/10 =
  35. 35.1/4 + 3/4 =
  36. 36.3/6 + 2/3 =
  37. 37.4/5 − 2/4 =
  38. 38.1/5 + 6/12 =
  39. 39.2/4 + 5/7 =
  40. 40.7/10 − 2/10 =

Answer key

  1. 29/36
  2. 5/7
  3. 7/6
  4. 9/14
  5. 13/10
  6. 9/20
  7. 3/10
  8. 85/99
  9. 1
  10. 1/2
  11. 5/3
  12. 29/55
  13. 1
  14. 5/6
  15. 11/8
  16. 17/12
  17. 3/10
  18. 7/22
  19. 1
  20. 13/30
  21. 7/9
  22. 2/5
  23. 7/10
  24. 11/12
  25. 2/5
  26. 47/36
  27. 2/15
  28. 1/6
  29. 23/18
  30. 23/18
  31. 1
  32. 4/5
  33. 49/55
  34. 6/5
  35. 1
  36. 7/6
  37. 3/10
  38. 7/10
  39. 17/14
  40. 1/2

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