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Subtract Fractions with Different Denominators Worksheet

Fractions lesson 16: Subtracting fractions: different denominators · Set 895 · 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 7/10 full of water. Then water filling 1/5 of the tank is used. What fraction of the tank is full now? =
  2. 2.2/3 − 2/5 =
  3. 3.3/4 − 3/8 =
  4. 4.9/10 − 5/6 =
  5. 5.2/5 − 1/6 =
  6. 6.A bottle has 3/4 litre of juice. Anaya drinks 3/8 litre. How much juice is left (in litres)? =
  7. 7.A tank is 2/3 full of water. Then water filling 2/9 of the tank is used. What fraction of the tank is full now? =
  8. 8.3/4 − 2/5 =
  9. 9.A tank is 6/7 full of water. Then water filling 1/3 of the tank is used. What fraction of the tank is full now? =
  10. 10.A tank is 3/4 full of water. Then water filling 3/10 of the tank is used. What fraction of the tank is full now? =
  11. 11.7/9 − 1/3 =
  12. 12.4/7 − 1/2 =
  13. 13.7/10 − 3/5 =
  14. 14.A bottle has 3/5 litre of juice. Arjun drinks 1/3 litre. How much juice is left (in litres)? =
  15. 15.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? =
  16. 16.5/6 − 1/9 =
  17. 17.A tank is 4/5 full of water. Then water filling 3/4 of the tank is used. What fraction of the tank is full now? =
  18. 18.A bottle has 2/3 litre of juice. Anaya drinks 4/7 litre. How much juice is left (in litres)? =
  19. 19.5/7 − 1/4 =
  20. 20.A tank is 5/9 full of water. Then water filling 1/3 of the tank is used. What fraction of the tank is full now? =
  21. 21.9/10 − 2/3 =
  22. 22.A bottle has 7/10 litre of juice. Kabir drinks 3/5 litre. How much juice is left (in litres)? =
  23. 23.1/3 − 1/9 =
  24. 24.2/3 − 3/5 =
  25. 25.A tank is 9/10 full of water. Then water filling 5/6 of the tank is used. What fraction of the tank is full now? =
  26. 26.A bottle has 1/3 litre of juice. Riya drinks 2/7 litre. How much juice is left (in litres)? =
  27. 27.5/6 − 1/5 =
  28. 28.Anaya has a ribbon 1/4 m long and cuts off 1/7 m. How long is the ribbon now (in m)? =
  29. 29.7/9 − 1/6 =
  30. 30.A bottle has 3/8 litre of juice. Arjun drinks 1/4 litre. How much juice is left (in litres)? =
  31. 31.A bottle has 2/7 litre of juice. Tara drinks 1/4 litre. How much juice is left (in litres)? =
  32. 32.A bottle has 3/4 litre of juice. Arjun drinks 5/7 litre. How much juice is left (in litres)? =
  33. 33.3/4 − 3/7 =
  34. 34.Aarav has a ribbon 8/9 m long and cuts off 2/3 m. How long is the ribbon now (in m)? =
  35. 35.A bottle has 5/9 litre of juice. Anaya drinks 1/3 litre. How much juice is left (in litres)? =
  36. 36.9/10 − 1/2 =
  37. 37.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? =
  38. 38.2/3 − 4/9 =
  39. 39.4/9 − 1/3 =
  40. 40.2/3 − 2/9 =

Answer key

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

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