← Subtracting fractions: different denominators lesson New set →

Subtract Fractions with Different Denominators Worksheet

Fractions lesson 16: Subtracting fractions: different denominators · Set 371 · 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. 1.3/4 − 2/7 =
  2. 2.Sara has a ribbon 5/6 m long and cuts off 5/8 m. How long is the ribbon now (in m)? =
  3. 3.3/4 − 1/3 =
  4. 4.A bottle has 1/6 litre of juice. Kabir drinks 1/10 litre. How much juice is left (in litres)? =
  5. 5.2/3 − 4/7 =
  6. 6.9/10 − 5/6 =
  7. 7.A bottle has 3/5 litre of juice. Meera drinks 1/3 litre. How much juice is left (in litres)? =
  8. 8.A tank is 4/7 full of water. Then water filling 1/2 of the tank is used. What fraction of the tank is full now? =
  9. 9.A bottle has 6/7 litre of juice. Tara drinks 3/4 litre. How much juice is left (in litres)? =
  10. 10.A tank is 9/10 full of water. Then water filling 1/5 of the tank is used. What fraction of the tank is full now? =
  11. 11.5/7 − 1/4 =
  12. 12.Anaya has a ribbon 2/3 m long and cuts off 1/5 m. How long is the ribbon now (in m)? =
  13. 13.2/3 − 3/7 =
  14. 14.1/2 − 4/9 =
  15. 15.2/3 − 1/9 =
  16. 16.A tank is 5/6 full of water. Then water filling 3/5 of the tank is used. What fraction of the tank is full now? =
  17. 17.Meera has a ribbon 2/3 m long and cuts off 3/10 m. How long is the ribbon now (in m)? =
  18. 18.A bottle has 7/8 litre of juice. Riya drinks 2/3 litre. How much juice is left (in litres)? =
  19. 19.A bottle has 7/9 litre of juice. Vihaan drinks 1/6 litre. How much juice is left (in litres)? =
  20. 20.3/4 − 7/10 =
  21. 21.A tank is 5/6 full of water. Then water filling 5/8 of the tank is used. What fraction of the tank is full now? =
  22. 22.A tank is 2/3 full of water. Then water filling 1/9 of the tank is used. What fraction of the tank is full now? =
  23. 23.3/4 − 3/10 =
  24. 24.4/5 − 1/2 =
  25. 25.3/4 − 3/7 =
  26. 26.A tank is 3/8 full of water. Then water filling 1/3 of the tank is used. What fraction of the tank is full now? =
  27. 27.4/5 − 1/4 =
  28. 28.A bottle has 7/9 litre of juice. Arjun drinks 1/2 litre. How much juice is left (in litres)? =
  29. 29.3/4 − 4/7 =
  30. 30.1/2 − 1/6 =
  31. 31.A tank is 7/8 full of water. Then water filling 2/3 of the tank is used. What fraction of the tank is full now? =
  32. 32.3/10 − 1/5 =
  33. 33.A bottle has 3/5 litre of juice. Diya drinks 1/6 litre. How much juice is left (in litres)? =
  34. 34.A tank is 4/9 full of water. Then water filling 1/3 of the tank is used. What fraction of the tank is full now? =
  35. 35.A bottle has 6/7 litre of juice. Riya drinks 3/4 litre. How much juice is left (in litres)? =
  36. 36.2/3 − 4/9 =
  37. 37.A bottle has 7/8 litre of juice. Tara drinks 1/4 litre. How much juice is left (in litres)? =
  38. 38.4/5 − 1/10 =
  39. 39.A bottle has 6/7 litre of juice. Ishaan drinks 2/3 litre. How much juice is left (in litres)? =
  40. 40.A tank is 3/4 full of water. Then water filling 2/7 of the tank is used. What fraction of the tank is full now? =

Answer key

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

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