← Subtracting fractions: different denominators lesson New set →

Subtract Fractions with Different Denominators Worksheet

Fractions lesson 16: Subtracting fractions: different denominators · Set 92 · 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.A bottle has 4/9 litre of juice. Diya drinks 1/3 litre. How much juice is left (in litres)? =
  3. 3.2/5 − 1/6 =
  4. 4.3/4 − 1/7 =
  5. 5.3/4 − 5/8 =
  6. 6.A tank is 1/2 full of water. Then water filling 4/9 of the tank is used. What fraction of the tank is full now? =
  7. 7.A bottle has 5/7 litre of juice. Ishaan drinks 1/2 litre. How much juice is left (in litres)? =
  8. 8.5/8 − 1/3 =
  9. 9.A bottle has 9/10 litre of juice. Sara drinks 2/3 litre. How much juice is left (in litres)? =
  10. 10.A bottle has 1/3 litre of juice. Rohan drinks 2/9 litre. How much juice is left (in litres)? =
  11. 11.A bottle has 2/3 litre of juice. Diya drinks 1/4 litre. How much juice is left (in litres)? =
  12. 12.A bottle has 7/10 litre of juice. Rohan drinks 2/5 litre. How much juice is left (in litres)? =
  13. 13.Arjun has a ribbon 2/3 m long and cuts off 1/8 m. How long is the ribbon now (in m)? =
  14. 14.A bottle has 3/8 litre of juice. Ishaan drinks 1/4 litre. How much juice is left (in litres)? =
  15. 15.A bottle has 1/2 litre of juice. Vihaan drinks 1/10 litre. How much juice is left (in litres)? =
  16. 16.1/6 − 1/9 =
  17. 17.A tank is 7/10 full of water. Then water filling 1/5 of the tank is used. What fraction of the tank is full now? =
  18. 18.A tank is 3/4 full of water. Then water filling 1/7 of the tank is used. What fraction of the tank is full now? =
  19. 19.Riya has a ribbon 2/5 m long and cuts off 1/3 m. How long is the ribbon now (in m)? =
  20. 20.2/3 − 1/8 =
  21. 21.5/6 − 5/9 =
  22. 22.A tank is 3/4 full of water. Then water filling 1/6 of the tank is used. What fraction of the tank is full now? =
  23. 23.5/6 − 2/5 =
  24. 24.Vihaan has a ribbon 5/6 m long and cuts off 3/5 m. How long is the ribbon now (in m)? =
  25. 25.Anaya has a ribbon 2/3 m long and cuts off 5/9 m. How long is the ribbon now (in m)? =
  26. 26.A bottle has 1/4 litre of juice. Anaya drinks 1/7 litre. How much juice is left (in litres)? =
  27. 27.3/10 − 1/5 =
  28. 28.7/10 − 1/5 =
  29. 29.A bottle has 5/6 litre of juice. Arjun drinks 1/5 litre. How much juice is left (in litres)? =
  30. 30.A bottle has 7/10 litre of juice. Aarav drinks 3/5 litre. How much juice is left (in litres)? =
  31. 31.4/7 − 1/3 =
  32. 32.7/9 − 2/3 =
  33. 33.3/5 − 1/10 =
  34. 34.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? =
  35. 35.4/9 − 1/3 =
  36. 36.2/5 − 1/10 =
  37. 37.Anaya has a ribbon 2/3 m long and cuts off 5/8 m. How long is the ribbon now (in m)? =
  38. 38.A bottle has 3/4 litre of juice. Kabir drinks 4/7 litre. How much juice is left (in litres)? =
  39. 39.2/3 − 4/9 =
  40. 40.Diya has a ribbon 3/4 m long and cuts off 5/7 m. How long is the ribbon now (in m)? =

Answer key

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

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