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Subtract Fractions with Different Denominators Worksheet

Fractions lesson 16: Subtracting fractions: different denominators · Set 740 · 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 4/5 full of water. Then water filling 7/10 of the tank is used. What fraction of the tank is full now? =
  2. 2.2/3 − 1/5 =
  3. 3.Arjun has a ribbon 1/3 m long and cuts off 1/9 m. How long is the ribbon now (in m)? =
  4. 4.1/2 − 1/4 =
  5. 5.A bottle has 7/10 litre of juice. Arjun drinks 1/3 litre. How much juice is left (in litres)? =
  6. 6.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? =
  7. 7.5/6 − 5/9 =
  8. 8.3/4 − 1/10 =
  9. 9.4/9 − 1/3 =
  10. 10.2/3 − 1/4 =
  11. 11.Meera has a ribbon 3/4 m long and cuts off 1/5 m. How long is the ribbon now (in m)? =
  12. 12.Tara has a ribbon 1/2 m long and cuts off 4/9 m. How long is the ribbon now (in m)? =
  13. 13.A bottle has 1/3 litre of juice. Meera drinks 1/9 litre. How much juice is left (in litres)? =
  14. 14.A tank is 6/7 full of water. Then water filling 1/2 of the tank is used. What fraction of the tank is full now? =
  15. 15.Sara has a ribbon 2/3 m long and cuts off 4/7 m. How long is the ribbon now (in m)? =
  16. 16.A bottle has 1/2 litre of juice. Rohan drinks 1/4 litre. How much juice is left (in litres)? =
  17. 17.A bottle has 8/9 litre of juice. Riya drinks 1/6 litre. How much juice is left (in litres)? =
  18. 18.3/5 − 1/2 =
  19. 19.Ishaan has a ribbon 9/10 m long and cuts off 3/5 m. How long is the ribbon now (in m)? =
  20. 20.1/3 − 1/5 =
  21. 21.A bottle has 2/3 litre of juice. Aarav drinks 5/9 litre. How much juice is left (in litres)? =
  22. 22.1/2 − 3/8 =
  23. 23.A tank is 3/5 full of water. Then water filling 1/3 of the tank is used. What fraction of the tank is full now? =
  24. 24.A bottle has 2/3 litre of juice. Diya drinks 3/7 litre. How much juice is left (in litres)? =
  25. 25.8/9 − 1/3 =
  26. 26.6/7 − 2/3 =
  27. 27.7/10 − 3/5 =
  28. 28.Diya has a ribbon 8/9 m long and cuts off 1/2 m. How long is the ribbon now (in m)? =
  29. 29.A bottle has 5/9 litre of juice. Tara drinks 1/2 litre. How much juice is left (in litres)? =
  30. 30.A bottle has 9/10 litre of juice. Sara drinks 2/5 litre. How much juice is left (in litres)? =
  31. 31.1/3 − 2/7 =
  32. 32.Rohan has a ribbon 8/9 m long and cuts off 1/6 m. How long is the ribbon now (in m)? =
  33. 33.8/9 − 5/6 =
  34. 34.3/4 − 3/7 =
  35. 35.Ishaan has a ribbon 3/4 m long and cuts off 2/5 m. How long is the ribbon now (in m)? =
  36. 36.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? =
  37. 37.Vihaan has a ribbon 1/2 m long and cuts off 1/7 m. How long is the ribbon now (in m)? =
  38. 38.Rohan has a ribbon 2/3 m long and cuts off 3/7 m. How long is the ribbon now (in m)? =
  39. 39.3/4 − 5/7 =
  40. 40.A bottle has 1/2 litre of juice. Arjun drinks 2/7 litre. How much juice is left (in litres)? =

Answer key

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

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