← Subtracting fractions: different denominators lesson New set →

Subtract Fractions with Different Denominators Worksheet

Fractions lesson 16: Subtracting fractions: different denominators · Set 11 · 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. 1.5/6 − 3/8 =
  2. 2.Sara has a ribbon 2/9 m long and cuts off 1/6 m. How long is the ribbon now (in m)? =
  3. 3.5/8 − 1/3 =
  4. 4.3/4 − 1/7 =
  5. 5.7/10 − 2/5 =
  6. 6.A tank is 7/10 full of water. Then water filling 1/6 of the tank is used. What fraction of the tank is full now? =
  7. 7.2/3 − 4/7 =
  8. 8.Aarav has a ribbon 7/10 m long and cuts off 3/5 m. How long is the ribbon now (in m)? =
  9. 9.Vihaan has a ribbon 1/3 m long and cuts off 1/4 m. How long is the ribbon now (in m)? =
  10. 10.A tank is 7/10 full of water. Then water filling 1/2 of the tank is used. What fraction of the tank is full now? =
  11. 11.1/2 − 2/7 =
  12. 12.Tara has a ribbon 1/2 m long and cuts off 1/8 m. How long is the ribbon now (in m)? =
  13. 13.2/3 − 3/8 =
  14. 14.1/2 − 3/7 =
  15. 15.5/6 − 7/9 =
  16. 16.9/10 − 1/4 =
  17. 17.A bottle has 4/7 litre of juice. Kabir drinks 1/4 litre. How much juice is left (in litres)? =
  18. 18.1/6 − 1/8 =
  19. 19.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? =
  20. 20.Aarav has a ribbon 1/6 m long and cuts off 1/9 m. How long is the ribbon now (in m)? =
  21. 21.3/5 − 1/10 =
  22. 22.A bottle has 3/4 litre of juice. Aarav drinks 7/10 litre. How much juice is left (in litres)? =
  23. 23.Ishaan has a ribbon 2/3 m long and cuts off 5/9 m. How long is the ribbon now (in m)? =
  24. 24.A bottle has 1/2 litre of juice. Sara drinks 1/9 litre. How much juice is left (in litres)? =
  25. 25.A tank is 2/3 full of water. Then water filling 4/9 of the tank is used. What fraction of the tank is full now? =
  26. 26.A tank is 9/10 full of water. Then water filling 1/3 of the tank is used. What fraction of the tank is full now? =
  27. 27.A bottle has 2/3 litre of juice. Rohan drinks 2/9 litre. How much juice is left (in litres)? =
  28. 28.7/8 − 2/3 =
  29. 29.Rohan has a ribbon 7/10 m long and cuts off 3/5 m. How long is the ribbon now (in m)? =
  30. 30.5/6 − 2/9 =
  31. 31.2/3 − 3/5 =
  32. 32.8/9 − 5/6 =
  33. 33.A tank is 5/6 full of water. Then water filling 7/10 of the tank is used. What fraction of the tank is full now? =
  34. 34.4/7 − 1/3 =
  35. 35.2/5 − 1/3 =
  36. 36.A tank is 9/10 full of water. Then water filling 2/5 of the tank is used. What fraction of the tank is full now? =
  37. 37.7/10 − 3/5 =
  38. 38.Sara has a ribbon 2/3 m long and cuts off 5/9 m. How long is the ribbon now (in m)? =
  39. 39.Anaya has a ribbon 2/3 m long and cuts off 5/9 m. How long is the ribbon now (in m)? =
  40. 40.7/8 − 1/6 =

Answer key

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

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