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Subtract Fractions with Different Denominators Worksheet

Fractions lesson 16: Subtracting fractions: different denominators · Set 218 · 40 questions
TalentJR

The method (LCM, then take away): Find the LCM of the two bottom numbers. Change each fraction to that bottom number. Subtract the tops, keep the bottom, and simplify.

NameDateTime takenScore ___ / 40
  1. 1.Vihaan has a ribbon 5/9 m long and cuts off 1/2 m. How long is the ribbon now (in m)? =
  2. 2.A bottle has 4/9 litre of juice. Sara drinks 1/3 litre. How much juice is left (in litres)? =
  3. 3.A tank is 9/10 full of water. Then water filling 3/4 of the tank is used. What fraction of the tank is full now? =
  4. 4.A tank is 1/6 full of water. Then water filling 1/8 of the tank is used. What fraction of the tank is full now? =
  5. 5.A bottle has 8/9 litre of juice. Rohan drinks 5/6 litre. How much juice is left (in litres)? =
  6. 6.A tank is 7/8 full of water. Then water filling 1/4 of the tank is used. What fraction of the tank is full now? =
  7. 7.3/4 − 5/8 =
  8. 8.A tank is 4/9 full of water. Then water filling 1/3 of the tank is used. What fraction of the tank is full now? =
  9. 9.A bottle has 7/8 litre of juice. Vihaan drinks 5/6 litre. How much juice is left (in litres)? =
  10. 10.3/5 − 1/3 =
  11. 11.1/3 − 2/9 =
  12. 12.2/3 − 1/8 =
  13. 13.1/3 − 1/7 =
  14. 14.A tank is 3/10 full of water. Then water filling 1/5 of the tank is used. What fraction of the tank is full now? =
  15. 15.A tank is 1/2 full of water. Then water filling 2/9 of the tank is used. What fraction of the tank is full now? =
  16. 16.7/9 − 1/6 =
  17. 17.1/2 − 2/7 =
  18. 18.7/8 − 1/2 =
  19. 19.A bottle has 2/3 litre of juice. Diya drinks 2/7 litre. How much juice is left (in litres)? =
  20. 20.Ishaan has a ribbon 5/8 m long and cuts off 1/2 m. How long is the ribbon now (in m)? =
  21. 21.A bottle has 1/5 litre of juice. Anaya drinks 1/6 litre. How much juice is left (in litres)? =
  22. 22.1/2 − 3/8 =
  23. 23.3/4 − 1/10 =
  24. 24.2/3 − 3/8 =
  25. 25.A tank is 7/10 full of water. Then water filling 1/3 of the tank is used. What fraction of the tank is full now? =
  26. 26.A tank is 5/9 full of water. Then water filling 1/2 of the tank is used. What fraction of the tank is full now? =
  27. 27.Riya has a ribbon 3/4 m long and cuts off 3/10 m. How long is the ribbon now (in m)? =
  28. 28.A bottle has 3/8 litre of juice. Meera drinks 1/3 litre. How much juice is left (in litres)? =
  29. 29.3/4 − 1/6 =
  30. 30.3/4 − 1/5 =
  31. 31.3/4 − 1/3 =
  32. 32.1/3 − 2/7 =
  33. 33.3/4 − 5/7 =
  34. 34.2/5 − 1/10 =
  35. 35.3/5 − 1/4 =
  36. 36.A bottle has 7/8 litre of juice. Aarav drinks 1/2 litre. How much juice is left (in litres)? =
  37. 37.A tank is 4/7 full of water. Then water filling 1/4 of the tank is used. What fraction of the tank is full now? =
  38. 38.A bottle has 7/8 litre of juice. Diya drinks 2/3 litre. How much juice is left (in litres)? =
  39. 39.9/10 − 2/5 =
  40. 40.Ishaan has a ribbon 2/3 m long and cuts off 3/8 m. How long is the ribbon now (in m)? =

Answer key

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

Free fractions lessons, practice and worksheets at talentjr.in/fractions-for-kids