← Subtracting fractions: different denominators lesson New set →

Subtract Fractions with Different Denominators Worksheet

Fractions lesson 16: Subtracting fractions: different denominators · Set 614 · 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 tank is 2/3 full of water. Then water filling 1/5 of the tank is used. What fraction of the tank is full now? =
  2. 2.Meera has a ribbon 5/6 m long and cuts off 7/10 m. How long is the ribbon now (in m)? =
  3. 3.A tank is 9/10 full of water. Then water filling 1/6 of the tank is used. What fraction of the tank is full now? =
  4. 4.5/6 − 4/9 =
  5. 5.1/3 − 1/8 =
  6. 6.7/9 − 2/3 =
  7. 7.6/7 − 1/3 =
  8. 8.7/10 − 1/2 =
  9. 9.6/7 − 2/3 =
  10. 10.6/7 − 1/2 =
  11. 11.Ishaan has a ribbon 3/4 m long and cuts off 1/3 m. How long is the ribbon now (in m)? =
  12. 12.Diya has a ribbon 1/6 m long and cuts off 1/8 m. How long is the ribbon now (in m)? =
  13. 13.A bottle has 2/5 litre of juice. Arjun drinks 1/10 litre. How much juice is left (in litres)? =
  14. 14.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? =
  15. 15.5/7 − 1/2 =
  16. 16.1/2 − 3/10 =
  17. 17.2/3 − 2/9 =
  18. 18.A bottle has 2/7 litre of juice. Aarav drinks 1/4 litre. How much juice is left (in litres)? =
  19. 19.A tank is 3/5 full of water. Then water filling 1/2 of the tank is used. What fraction of the tank is full now? =
  20. 20.2/5 − 3/10 =
  21. 21.Meera has a ribbon 9/10 m long and cuts off 3/5 m. How long is the ribbon now (in m)? =
  22. 22.3/4 − 5/7 =
  23. 23.A bottle has 5/6 litre of juice. Sara drinks 7/10 litre. How much juice is left (in litres)? =
  24. 24.A bottle has 5/6 litre of juice. Rohan drinks 5/9 litre. How much juice is left (in litres)? =
  25. 25.Kabir has a ribbon 8/9 m long and cuts off 1/2 m. How long is the ribbon now (in m)? =
  26. 26.4/5 − 3/10 =
  27. 27.Riya has a ribbon 2/3 m long and cuts off 2/9 m. How long is the ribbon now (in m)? =
  28. 28.A bottle has 3/7 litre of juice. Arjun drinks 1/3 litre. How much juice is left (in litres)? =
  29. 29.1/6 − 1/8 =
  30. 30.5/8 − 1/6 =
  31. 31.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? =
  32. 32.Diya has a ribbon 4/9 m long and cuts off 1/3 m. How long is the ribbon now (in m)? =
  33. 33.5/8 − 1/2 =
  34. 34.1/3 − 1/10 =
  35. 35.4/5 − 1/2 =
  36. 36.5/6 − 5/8 =
  37. 37.Ishaan has a ribbon 1/4 m long and cuts off 1/8 m. How long is the ribbon now (in m)? =
  38. 38.3/4 − 1/6 =
  39. 39.Riya has a ribbon 8/9 m long and cuts off 1/6 m. How long is the ribbon now (in m)? =
  40. 40.A bottle has 1/4 litre of juice. Sara drinks 1/8 litre. How much juice is left (in litres)? =

Answer key

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

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