← Subtracting fractions: different denominators lesson New set →

Subtract Fractions with Different Denominators Worksheet

Fractions lesson 16: Subtracting fractions: different denominators · Set 162 · 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 7/8 litre of juice. Vihaan drinks 1/3 litre. How much juice is left (in litres)? =
  2. 2.7/9 − 1/6 =
  3. 3.1/6 − 1/9 =
  4. 4.1/3 − 2/7 =
  5. 5.Kabir has a ribbon 2/3 m long and cuts off 1/7 m. How long is the ribbon now (in m)? =
  6. 6.A bottle has 2/3 litre of juice. Vihaan drinks 3/7 litre. How much juice is left (in litres)? =
  7. 7.3/4 − 1/6 =
  8. 8.1/2 − 2/5 =
  9. 9.5/9 − 1/2 =
  10. 10.5/6 − 1/10 =
  11. 11.1/3 − 1/8 =
  12. 12.A bottle has 7/8 litre of juice. Diya drinks 1/2 litre. How much juice is left (in litres)? =
  13. 13.7/8 − 2/3 =
  14. 14.5/8 − 1/6 =
  15. 15.Anaya has a ribbon 1/2 m long and cuts off 2/7 m. How long is the ribbon now (in m)? =
  16. 16.A bottle has 1/3 litre of juice. Kabir drinks 3/10 litre. How much juice is left (in litres)? =
  17. 17.3/4 − 2/5 =
  18. 18.7/10 − 1/6 =
  19. 19.A bottle has 3/5 litre of juice. Meera drinks 1/6 litre. How much juice is left (in litres)? =
  20. 20.Diya has a ribbon 2/3 m long and cuts off 1/7 m. How long is the ribbon now (in m)? =
  21. 21.A bottle has 1/2 litre of juice. Meera drinks 1/3 litre. How much juice is left (in litres)? =
  22. 22.A tank is 3/4 full of water. Then water filling 5/7 of the tank is used. What fraction of the tank is full now? =
  23. 23.Diya has a ribbon 3/4 m long and cuts off 1/5 m. How long is the ribbon now (in m)? =
  24. 24.5/7 − 2/3 =
  25. 25.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? =
  26. 26.5/8 − 1/2 =
  27. 27.A tank is 3/10 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 8/9 litre of juice. Sara drinks 1/6 litre. How much juice is left (in litres)? =
  29. 29.4/5 − 1/3 =
  30. 30.A tank is 8/9 full of water. Then water filling 1/6 of the tank is used. What fraction of the tank is full now? =
  31. 31.3/4 − 1/8 =
  32. 32.Tara has a ribbon 2/3 m long and cuts off 3/5 m. How long is the ribbon now (in m)? =
  33. 33.7/8 − 1/2 =
  34. 34.3/8 − 1/4 =
  35. 35.2/3 − 4/9 =
  36. 36.1/2 − 1/9 =
  37. 37.1/3 − 1/7 =
  38. 38.2/3 − 2/5 =
  39. 39.4/5 − 1/10 =
  40. 40.A bottle has 4/5 litre of juice. Kabir drinks 1/3 litre. How much juice is left (in litres)? =

Answer key

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

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