← Subtracting fractions: different denominators lesson New set →

Subtract Fractions with Different Denominators Worksheet

Fractions lesson 16: Subtracting fractions: different denominators · Set 600 · 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 3/5 litre of juice. Diya drinks 1/3 litre. How much juice is left (in litres)? =
  2. 2.2/3 − 2/9 =
  3. 3.5/6 − 4/5 =
  4. 4.1/4 − 1/5 =
  5. 5.5/6 − 1/2 =
  6. 6.8/9 − 2/3 =
  7. 7.A bottle has 9/10 litre of juice. Meera drinks 1/5 litre. How much juice is left (in litres)? =
  8. 8.Meera has a ribbon 2/9 m long and cuts off 1/6 m. How long is the ribbon now (in m)? =
  9. 9.A bottle has 3/5 litre of juice. Anaya drinks 1/3 litre. How much juice is left (in litres)? =
  10. 10.A bottle has 5/6 litre of juice. Meera drinks 1/10 litre. How much juice is left (in litres)? =
  11. 11.A bottle has 3/8 litre of juice. Diya drinks 1/3 litre. How much juice is left (in litres)? =
  12. 12.A bottle has 5/6 litre of juice. Rohan drinks 1/10 litre. How much juice is left (in litres)? =
  13. 13.5/8 − 1/3 =
  14. 14.2/3 − 4/9 =
  15. 15.A bottle has 2/7 litre of juice. Tara drinks 1/4 litre. How much juice is left (in litres)? =
  16. 16.A bottle has 9/10 litre of juice. Rohan drinks 2/3 litre. How much juice is left (in litres)? =
  17. 17.A tank is 6/7 full of water. Then water filling 3/4 of the tank is used. What fraction of the tank is full now? =
  18. 18.2/3 − 5/9 =
  19. 19.3/4 − 1/10 =
  20. 20.3/5 − 1/6 =
  21. 21.8/9 − 1/3 =
  22. 22.2/9 − 1/6 =
  23. 23.A tank is 2/3 full of water. Then water filling 5/8 of the tank is used. What fraction of the tank is full now? =
  24. 24.A bottle has 4/5 litre of juice. Diya drinks 1/10 litre. How much juice is left (in litres)? =
  25. 25.3/5 − 1/2 =
  26. 26.3/4 − 7/10 =
  27. 27.5/7 − 1/4 =
  28. 28.A tank is 3/7 full of water. Then water filling 1/4 of the tank is used. What fraction of the tank is full now? =
  29. 29.3/4 − 3/8 =
  30. 30.1/3 − 1/6 =
  31. 31.Meera has a ribbon 1/5 m long and cuts off 1/10 m. How long is the ribbon now (in m)? =
  32. 32.A tank is 1/4 full of water. Then water filling 1/8 of the tank is used. What fraction of the tank is full now? =
  33. 33.A bottle has 5/6 litre of juice. Sara drinks 4/9 litre. How much juice is left (in litres)? =
  34. 34.A bottle has 3/10 litre of juice. Arjun drinks 1/4 litre. How much juice is left (in litres)? =
  35. 35.Vihaan has a ribbon 1/4 m long and cuts off 1/6 m. How long is the ribbon now (in m)? =
  36. 36.9/10 − 3/5 =
  37. 37.3/4 − 1/3 =
  38. 38.5/6 − 3/5 =
  39. 39.A tank is 6/7 full of water. Then water filling 1/3 of the tank is used. What fraction of the tank is full now? =
  40. 40.A bottle has 3/4 litre of juice. Rohan drinks 1/6 litre. How much juice is left (in litres)? =

Answer key

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

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