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Subtract Fractions with Different Denominators Worksheet

Fractions lesson 16: Subtracting fractions: different denominators · Set 103 · 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 − 1/8 =
  2. 2.A bottle has 9/10 litre of juice. Riya drinks 4/5 litre. How much juice is left (in litres)? =
  3. 3.A bottle has 9/10 litre of juice. Kabir drinks 1/5 litre. How much juice is left (in litres)? =
  4. 4.A bottle has 3/10 litre of juice. Vihaan drinks 1/4 litre. How much juice is left (in litres)? =
  5. 5.A bottle has 5/6 litre of juice. Aarav drinks 3/10 litre. How much juice is left (in litres)? =
  6. 6.Meera has a ribbon 7/8 m long and cuts off 5/6 m. How long is the ribbon now (in m)? =
  7. 7.A bottle has 2/9 litre of juice. Arjun drinks 1/6 litre. How much juice is left (in litres)? =
  8. 8.A bottle has 2/3 litre of juice. Sara drinks 4/7 litre. How much juice is left (in litres)? =
  9. 9.1/2 − 1/9 =
  10. 10.2/3 − 5/9 =
  11. 11.A bottle has 9/10 litre of juice. Aarav drinks 1/5 litre. How much juice is left (in litres)? =
  12. 12.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? =
  13. 13.5/8 − 1/2 =
  14. 14.2/3 − 1/8 =
  15. 15.5/6 − 3/4 =
  16. 16.2/5 − 1/6 =
  17. 17.Aarav has a ribbon 1/6 m long and cuts off 1/9 m. How long is the ribbon now (in m)? =
  18. 18.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? =
  19. 19.A tank is 1/3 full of water. Then water filling 1/5 of the tank is used. What fraction of the tank is full now? =
  20. 20.Aarav has a ribbon 3/4 m long and cuts off 2/5 m. How long is the ribbon now (in m)? =
  21. 21.A tank is 1/6 full of water. Then water filling 1/9 of the tank is used. What fraction of the tank is full now? =
  22. 22.5/6 − 1/9 =
  23. 23.Ishaan has a ribbon 5/7 m long and cuts off 1/3 m. How long is the ribbon now (in m)? =
  24. 24.A bottle has 2/3 litre of juice. Tara drinks 4/7 litre. How much juice is left (in litres)? =
  25. 25.2/3 − 3/7 =
  26. 26.A tank is 1/2 full of water. Then water filling 2/5 of the tank is used. What fraction of the tank is full now? =
  27. 27.1/2 − 1/4 =
  28. 28.6/7 − 1/3 =
  29. 29.A bottle has 3/4 litre of juice. Sara drinks 7/10 litre. How much juice is left (in litres)? =
  30. 30.3/4 − 2/3 =
  31. 31.2/3 − 1/9 =
  32. 32.1/3 − 1/7 =
  33. 33.3/4 − 1/3 =
  34. 34.2/3 − 4/9 =
  35. 35.Riya has a ribbon 2/3 m long and cuts off 3/8 m. How long is the ribbon now (in m)? =
  36. 36.5/6 − 3/5 =
  37. 37.A tank is 7/8 full of water. Then water filling 2/3 of the tank is used. What fraction of the tank is full now? =
  38. 38.A tank is 9/10 full of water. Then water filling 1/4 of the tank is used. What fraction of the tank is full now? =
  39. 39.1/2 − 2/9 =
  40. 40.6/7 − 2/3 =

Answer key

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

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