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Subtract Fractions with Different Denominators Worksheet

Fractions lesson 16: Subtracting fractions: different denominators · Set 114 · 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.Kabir has a ribbon 1/6 m long and cuts off 1/8 m. How long is the ribbon now (in m)? =
  2. 2.A tank is 8/9 full of water. Then water filling 2/3 of the tank is used. What fraction of the tank is full now? =
  3. 3.A tank is 5/6 full of water. Then water filling 3/8 of the tank is used. What fraction of the tank is full now? =
  4. 4.Ishaan has a ribbon 7/8 m long and cuts off 1/6 m. How long is the ribbon now (in m)? =
  5. 5.2/5 − 1/3 =
  6. 6.Meera has a ribbon 2/3 m long and cuts off 3/7 m. How long is the ribbon now (in m)? =
  7. 7.A bottle has 3/4 litre of juice. Kabir drinks 7/10 litre. How much juice is left (in litres)? =
  8. 8.3/4 − 3/5 =
  9. 9.1/2 − 3/7 =
  10. 10.A bottle has 1/5 litre of juice. Meera drinks 1/10 litre. How much juice is left (in litres)? =
  11. 11.3/8 − 1/6 =
  12. 12.A bottle has 3/4 litre of juice. Arjun drinks 3/7 litre. How much juice is left (in litres)? =
  13. 13.7/8 − 1/6 =
  14. 14.7/10 − 1/2 =
  15. 15.A bottle has 1/2 litre of juice. Arjun drinks 3/7 litre. How much juice is left (in litres)? =
  16. 16.1/2 − 4/9 =
  17. 17.A bottle has 2/3 litre of juice. Rohan drinks 3/5 litre. How much juice is left (in litres)? =
  18. 18.A bottle has 2/3 litre of juice. Meera drinks 5/9 litre. How much juice is left (in litres)? =
  19. 19.Diya has a ribbon 7/8 m long and cuts off 2/3 m. How long is the ribbon now (in m)? =
  20. 20.A tank is 5/7 full of water. Then water filling 1/2 of the tank is used. What fraction of the tank is full now? =
  21. 21.1/2 − 2/9 =
  22. 22.4/7 − 1/4 =
  23. 23.7/9 − 1/2 =
  24. 24.Arjun has a ribbon 1/2 m long and cuts off 2/9 m. How long is the ribbon now (in m)? =
  25. 25.A tank is 3/4 full of water. Then water filling 3/5 of the tank is used. What fraction of the tank is full now? =
  26. 26.3/5 − 1/6 =
  27. 27.1/6 − 1/9 =
  28. 28.2/3 − 1/8 =
  29. 29.A tank is 4/5 full of water. Then water filling 1/4 of the tank is used. What fraction of the tank is full now? =
  30. 30.A tank is 5/6 full of water. Then water filling 1/10 of the tank is used. What fraction of the tank is full now? =
  31. 31.4/5 − 1/2 =
  32. 32.A tank is 7/9 full of water. Then water filling 1/3 of the tank is used. What fraction of the tank is full now? =
  33. 33.A tank is 2/3 full of water. Then water filling 4/7 of the tank is used. What fraction of the tank is full now? =
  34. 34.1/6 − 1/10 =
  35. 35.2/3 − 5/8 =
  36. 36.A tank is 2/3 full of water. Then water filling 2/9 of the tank is used. What fraction of the tank is full now? =
  37. 37.A bottle has 7/8 litre of juice. Arjun drinks 1/4 litre. How much juice is left (in litres)? =
  38. 38.2/7 − 1/4 =
  39. 39.4/5 − 1/10 =
  40. 40.2/3 − 1/5 =

Answer key

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

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