← Subtracting fractions: different denominators lesson New set →

Subtract Fractions with Different Denominators Worksheet

Fractions lesson 16: Subtracting fractions: different denominators · Set 519 · 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.A bottle has 3/4 litre of juice. Anaya drinks 3/7 litre. How much juice is left (in litres)? =
  2. 2.A tank is 3/4 full of water. Then water filling 5/7 of the tank is used. What fraction of the tank is full now? =
  3. 3.Sara has a ribbon 2/3 m long and cuts off 3/7 m. How long is the ribbon now (in m)? =
  4. 4.A tank is 3/4 full of water. Then water filling 2/5 of the tank is used. What fraction of the tank is full now? =
  5. 5.3/5 − 1/4 =
  6. 6.5/7 − 1/3 =
  7. 7.A tank is 5/9 full of water. Then water filling 1/6 of the tank is used. What fraction of the tank is full now? =
  8. 8.Arjun has a ribbon 5/6 m long and cuts off 7/9 m. How long is the ribbon now (in m)? =
  9. 9.1/2 − 2/5 =
  10. 10.5/6 − 4/5 =
  11. 11.Tara has a ribbon 1/2 m long and cuts off 4/9 m. How long is the ribbon now (in m)? =
  12. 12.A bottle has 1/2 litre of juice. Kabir drinks 2/9 litre. How much juice is left (in litres)? =
  13. 13.9/10 − 1/3 =
  14. 14.A tank is 9/10 full of water. Then water filling 1/3 of the tank is used. What fraction of the tank is full now? =
  15. 15.4/5 − 1/3 =
  16. 16.A bottle has 8/9 litre of juice. Anaya drinks 1/3 litre. How much juice is left (in litres)? =
  17. 17.4/7 − 1/4 =
  18. 18.1/2 − 1/4 =
  19. 19.5/7 − 2/3 =
  20. 20.Anaya has a ribbon 7/10 m long and cuts off 2/5 m. How long is the ribbon now (in m)? =
  21. 21.5/6 − 3/5 =
  22. 22.A bottle has 6/7 litre of juice. Aarav drinks 1/4 litre. How much juice is left (in litres)? =
  23. 23.1/4 − 1/7 =
  24. 24.5/8 − 1/6 =
  25. 25.A bottle has 3/4 litre of juice. Aarav drinks 5/8 litre. How much juice is left (in litres)? =
  26. 26.4/5 − 2/3 =
  27. 27.5/6 − 2/9 =
  28. 28.5/6 − 1/4 =
  29. 29.2/3 − 1/5 =
  30. 30.3/5 − 3/10 =
  31. 31.Tara has a ribbon 7/10 m long and cuts off 1/3 m. How long is the ribbon now (in m)? =
  32. 32.5/8 − 1/3 =
  33. 33.A tank is 3/4 full of water. Then water filling 3/10 of the tank is used. What fraction of the tank is full now? =
  34. 34.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? =
  35. 35.3/4 − 1/5 =
  36. 36.9/10 − 1/6 =
  37. 37.A bottle has 5/6 litre of juice. Tara drinks 4/9 litre. How much juice is left (in litres)? =
  38. 38.A bottle has 5/6 litre of juice. Ishaan drinks 2/5 litre. How much juice is left (in litres)? =
  39. 39.A bottle has 7/10 litre of juice. Sara drinks 1/3 litre. How much juice is left (in litres)? =
  40. 40.5/6 − 4/9 =

Answer key

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

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