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Subtract Fractions with Different Denominators Worksheet

Fractions lesson 16: Subtracting fractions: different denominators · Set 938 · 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. 1.9/10 − 1/6 =
  2. 2.Aarav has a ribbon 8/9 m long and cuts off 5/6 m. How long is the ribbon now (in m)? =
  3. 3.A tank is 2/5 full of water. Then water filling 1/10 of the tank is used. What fraction of the tank is full now? =
  4. 4.5/6 − 3/10 =
  5. 5.A tank is 2/3 full of water. Then water filling 3/7 of the tank is used. What fraction of the tank is full now? =
  6. 6.1/2 − 3/7 =
  7. 7.A tank is 5/6 full of water. Then water filling 4/5 of the tank is used. What fraction of the tank is full now? =
  8. 8.7/9 − 2/3 =
  9. 9.A bottle has 5/9 litre of juice. Riya drinks 1/2 litre. How much juice is left (in litres)? =
  10. 10.Anaya has a ribbon 1/2 m long and cuts off 1/8 m. How long is the ribbon now (in m)? =
  11. 11.3/4 − 1/6 =
  12. 12.A bottle has 7/8 litre of juice. Meera drinks 1/2 litre. How much juice is left (in litres)? =
  13. 13.4/7 − 1/3 =
  14. 14.1/5 − 1/10 =
  15. 15.2/5 − 1/4 =
  16. 16.A bottle has 1/5 litre of juice. Vihaan drinks 1/10 litre. How much juice is left (in litres)? =
  17. 17.Aarav has a ribbon 2/3 m long and cuts off 1/10 m. How long is the ribbon now (in m)? =
  18. 18.5/6 − 7/10 =
  19. 19.A bottle has 6/7 litre of juice. Meera drinks 1/2 litre. How much juice is left (in litres)? =
  20. 20.6/7 − 1/3 =
  21. 21.6/7 − 1/2 =
  22. 22.1/2 − 1/7 =
  23. 23.Kabir has a ribbon 5/8 m long and cuts off 1/4 m. How long is the ribbon now (in m)? =
  24. 24.A bottle has 3/5 litre of juice. Diya drinks 1/6 litre. How much juice is left (in litres)? =
  25. 25.7/10 − 1/4 =
  26. 26.5/6 − 1/8 =
  27. 27.5/6 − 1/10 =
  28. 28.Tara has a ribbon 3/4 m long and cuts off 1/10 m. How long is the ribbon now (in m)? =
  29. 29.Rohan has a ribbon 3/4 m long and cuts off 1/8 m. How long is the ribbon now (in m)? =
  30. 30.2/3 − 3/5 =
  31. 31.A bottle has 1/3 litre of juice. Sara drinks 1/9 litre. How much juice is left (in litres)? =
  32. 32.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? =
  33. 33.A tank is 3/7 full of water. Then water filling 1/4 of the tank is used. What fraction of the tank is full now? =
  34. 34.Tara has a ribbon 3/8 m long and cuts off 1/4 m. How long is the ribbon now (in m)? =
  35. 35.A bottle has 1/5 litre of juice. Diya drinks 1/10 litre. How much juice is left (in litres)? =
  36. 36.Diya has a ribbon 5/9 m long and cuts off 1/2 m. How long is the ribbon now (in m)? =
  37. 37.7/9 − 1/2 =
  38. 38.Ishaan has a ribbon 5/6 m long and cuts off 2/3 m. How long is the ribbon now (in m)? =
  39. 39.Anaya has a ribbon 1/2 m long and cuts off 1/10 m. How long is the ribbon now (in m)? =
  40. 40.2/3 − 1/2 =

Answer key

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

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