← Subtracting fractions: different denominators lesson New set →

Subtract Fractions with Different Denominators Worksheet

Fractions lesson 16: Subtracting fractions: different denominators · Set 295 · 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. 1.5/7 − 1/4 =
  2. 2.Riya has a ribbon 3/4 m long and cuts off 2/5 m. How long is the ribbon now (in m)? =
  3. 3.9/10 − 1/3 =
  4. 4.A tank is 1/4 full of water. Then water filling 1/6 of the tank is used. What fraction of the tank is full now? =
  5. 5.A tank is 5/6 full of water. Then water filling 2/9 of the tank is used. What fraction of the tank is full now? =
  6. 6.9/10 − 1/2 =
  7. 7.A bottle has 5/6 litre of juice. Meera drinks 7/9 litre. How much juice is left (in litres)? =
  8. 8.A tank is 8/9 full of water. Then water filling 1/6 of the tank is used. What fraction of the tank is full now? =
  9. 9.A bottle has 5/6 litre of juice. Rohan drinks 7/10 litre. How much juice is left (in litres)? =
  10. 10.A tank is 2/5 full of water. Then water filling 1/6 of the tank is used. What fraction of the tank is full now? =
  11. 11.9/10 − 1/5 =
  12. 12.5/7 − 1/2 =
  13. 13.4/5 − 1/10 =
  14. 14.7/10 − 1/2 =
  15. 15.7/10 − 1/5 =
  16. 16.Diya has a ribbon 3/5 m long and cuts off 3/10 m. How long is the ribbon now (in m)? =
  17. 17.Aarav has a ribbon 4/7 m long and cuts off 1/2 m. How long is the ribbon now (in m)? =
  18. 18.9/10 − 5/6 =
  19. 19.2/3 − 2/7 =
  20. 20.Anaya has a ribbon 5/8 m long and cuts off 1/4 m. How long is the ribbon now (in m)? =
  21. 21.A bottle has 1/2 litre of juice. Kabir drinks 2/9 litre. How much juice is left (in litres)? =
  22. 22.3/4 − 2/7 =
  23. 23.A bottle has 6/7 litre of juice. Aarav drinks 3/4 litre. How much juice is left (in litres)? =
  24. 24.Sara has a ribbon 2/3 m long and cuts off 3/10 m. How long is the ribbon now (in m)? =
  25. 25.6/7 − 1/4 =
  26. 26.5/6 − 1/4 =
  27. 27.1/2 − 2/7 =
  28. 28.5/7 − 2/3 =
  29. 29.A bottle has 2/3 litre of juice. Ishaan drinks 3/8 litre. How much juice is left (in litres)? =
  30. 30.3/10 − 1/6 =
  31. 31.1/2 − 2/9 =
  32. 32.8/9 − 1/3 =
  33. 33.A bottle has 5/6 litre of juice. Diya drinks 4/5 litre. How much juice is left (in litres)? =
  34. 34.A bottle has 3/8 litre of juice. Vihaan drinks 1/3 litre. How much juice is left (in litres)? =
  35. 35.3/4 − 2/5 =
  36. 36.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? =
  37. 37.A tank is 7/8 full of water. Then water filling 1/2 of the tank is used. What fraction of the tank is full now? =
  38. 38.A bottle has 5/9 litre of juice. Riya drinks 1/6 litre. How much juice is left (in litres)? =
  39. 39.5/6 − 7/10 =
  40. 40.Kabir has a ribbon 3/5 m long and cuts off 1/2 m. How long is the ribbon now (in m)? =

Answer key

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

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