← Subtracting fractions: different denominators lesson New set →

Subtract Fractions with Different Denominators Worksheet

Fractions lesson 16: Subtracting fractions: different denominators · Set 204 · 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. 1.2/3 − 4/9 =
  2. 2.1/3 − 2/9 =
  3. 3.Ishaan has a ribbon 5/6 m long and cuts off 5/9 m. How long is the ribbon now (in m)? =
  4. 4.A bottle has 2/3 litre of juice. Riya drinks 3/8 litre. How much juice is left (in litres)? =
  5. 5.5/6 − 2/9 =
  6. 6.1/3 − 3/10 =
  7. 7.Diya has a ribbon 3/4 m long and cuts off 4/7 m. How long is the ribbon now (in m)? =
  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. 9.2/3 − 1/4 =
  10. 10.Rohan has a ribbon 9/10 m long and cuts off 4/5 m. How long is the ribbon now (in m)? =
  11. 11.Kabir has a ribbon 2/3 m long and cuts off 1/8 m. How long is the ribbon now (in m)? =
  12. 12.A tank is 2/3 full of water. Then water filling 1/4 of the tank is used. What fraction of the tank is full now? =
  13. 13.Arjun has a ribbon 3/5 m long and cuts off 1/10 m. How long is the ribbon now (in m)? =
  14. 14.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? =
  15. 15.Vihaan has a ribbon 1/4 m long and cuts off 1/8 m. How long is the ribbon now (in m)? =
  16. 16.4/5 − 1/3 =
  17. 17.Anaya has a ribbon 7/9 m long and cuts off 1/6 m. How long is the ribbon now (in m)? =
  18. 18.Vihaan has a ribbon 2/5 m long and cuts off 3/10 m. How long is the ribbon now (in m)? =
  19. 19.3/4 − 1/8 =
  20. 20.A bottle has 9/10 litre of juice. Arjun drinks 3/5 litre. How much juice is left (in litres)? =
  21. 21.5/7 − 1/3 =
  22. 22.1/2 − 1/9 =
  23. 23.4/7 − 1/3 =
  24. 24.2/3 − 3/5 =
  25. 25.2/3 − 2/9 =
  26. 26.5/6 − 1/8 =
  27. 27.A tank is 5/9 full of water. Then water filling 1/6 of the tank is used. What fraction of the tank is full now? =
  28. 28.A bottle has 4/5 litre of juice. Arjun drinks 1/2 litre. How much juice is left (in litres)? =
  29. 29.1/3 − 1/6 =
  30. 30.Aarav has a ribbon 2/3 m long and cuts off 1/10 m. How long is the ribbon now (in m)? =
  31. 31.A tank is 2/3 full of water. Then water filling 5/8 of the tank is used. What fraction of the tank is full now? =
  32. 32.Tara has a ribbon 6/7 m long and cuts off 3/4 m. How long is the ribbon now (in m)? =
  33. 33.A bottle has 1/3 litre of juice. Anaya drinks 1/6 litre. How much juice is left (in litres)? =
  34. 34.6/7 − 1/2 =
  35. 35.2/3 − 1/5 =
  36. 36.2/3 − 3/8 =
  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. 38.1/3 − 1/10 =
  39. 39.Kabir has a ribbon 3/5 m long and cuts off 1/3 m. How long is the ribbon now (in m)? =
  40. 40.2/5 − 1/6 =

Answer key

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

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