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Subtract Fractions with Different Denominators Worksheet

Fractions lesson 16: Subtracting fractions: different denominators · Set 173 · 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 6/7 litre of juice. Diya drinks 2/3 litre. How much juice is left (in litres)? =
  2. 2.5/6 − 2/5 =
  3. 3.A tank is 1/2 full of water. Then water filling 2/7 of the tank is used. What fraction of the tank is full now? =
  4. 4.A tank is 2/3 full of water. Then water filling 1/8 of the tank is used. What fraction of the tank is full now? =
  5. 5.3/4 − 5/7 =
  6. 6.Sara has a ribbon 2/3 m long and cuts off 5/9 m. How long is the ribbon now (in m)? =
  7. 7.2/9 − 1/6 =
  8. 8.Rohan has a ribbon 7/8 m long and cuts off 3/4 m. How long is the ribbon now (in m)? =
  9. 9.A tank is 2/3 full of water. Then water filling 2/7 of the tank is used. What fraction of the tank is full now? =
  10. 10.A tank is 5/7 full of water. Then water filling 2/3 of the tank is used. What fraction of the tank is full now? =
  11. 11.4/5 − 7/10 =
  12. 12.Rohan has a ribbon 5/6 m long and cuts off 7/10 m. How long is the ribbon now (in m)? =
  13. 13.A tank is 1/2 full of water. Then water filling 2/9 of the tank is used. What fraction of the tank is full now? =
  14. 14.5/9 − 1/2 =
  15. 15.5/6 − 3/8 =
  16. 16.5/6 − 4/5 =
  17. 17.1/3 − 2/9 =
  18. 18.A tank is 2/9 full of water. Then water filling 1/6 of the tank is used. What fraction of the tank is full now? =
  19. 19.Anaya has a ribbon 2/3 m long and cuts off 1/7 m. How long is the ribbon now (in m)? =
  20. 20.Rohan has a ribbon 2/3 m long and cuts off 1/10 m. How long is the ribbon now (in m)? =
  21. 21.3/5 − 3/10 =
  22. 22.A bottle has 5/6 litre of juice. Aarav drinks 2/9 litre. How much juice is left (in litres)? =
  23. 23.6/7 − 1/3 =
  24. 24.5/6 − 5/9 =
  25. 25.1/3 − 1/6 =
  26. 26.A bottle has 5/6 litre of juice. Meera drinks 4/5 litre. How much juice is left (in litres)? =
  27. 27.A tank is 8/9 full of water. Then water filling 5/6 of the tank is used. What fraction of the tank is full now? =
  28. 28.Meera has a ribbon 7/9 m long and cuts off 1/6 m. How long is the ribbon now (in m)? =
  29. 29.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? =
  30. 30.5/8 − 1/6 =
  31. 31.A tank is 2/7 full of water. Then water filling 1/4 of the tank is used. What fraction of the tank is full now? =
  32. 32.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? =
  33. 33.A bottle has 9/10 litre of juice. Kabir drinks 1/6 litre. How much juice is left (in litres)? =
  34. 34.A bottle has 3/5 litre of juice. Sara drinks 1/3 litre. How much juice is left (in litres)? =
  35. 35.1/2 − 1/3 =
  36. 36.3/4 − 3/7 =
  37. 37.3/4 − 5/8 =
  38. 38.A bottle has 9/10 litre of juice. Tara drinks 2/5 litre. How much juice is left (in litres)? =
  39. 39.Sara has a ribbon 4/5 m long and cuts off 7/10 m. How long is the ribbon now (in m)? =
  40. 40.1/4 − 1/10 =

Answer key

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

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