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Subtract Fractions with Different Denominators Worksheet

Fractions lesson 16: Subtracting fractions: different denominators · Set 51 · 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. 1.3/7 − 1/3 =
  2. 2.A bottle has 3/5 litre of juice. Riya drinks 1/6 litre. How much juice is left (in litres)? =
  3. 3.2/3 − 1/8 =
  4. 4.A bottle has 8/9 litre of juice. Anaya drinks 1/6 litre. How much juice is left (in litres)? =
  5. 5.5/6 − 3/4 =
  6. 6.Kabir has a ribbon 5/9 m long and cuts off 1/3 m. How long is the ribbon now (in m)? =
  7. 7.5/6 − 7/10 =
  8. 8.1/3 − 2/7 =
  9. 9.Vihaan has a ribbon 2/3 m long and cuts off 1/4 m. How long is the ribbon now (in m)? =
  10. 10.Ishaan has a ribbon 5/6 m long and cuts off 5/9 m. How long is the ribbon now (in m)? =
  11. 11.9/10 − 1/5 =
  12. 12.4/7 − 1/3 =
  13. 13.A tank is 5/6 full of water. Then water filling 2/9 of the tank is used. What fraction of the tank is full now? =
  14. 14.5/7 − 1/4 =
  15. 15.Meera has a ribbon 5/6 m long and cuts off 1/5 m. How long is the ribbon now (in m)? =
  16. 16.3/5 − 1/2 =
  17. 17.5/8 − 1/6 =
  18. 18.2/3 − 2/9 =
  19. 19.A tank is 5/6 full of water. Then water filling 1/9 of the tank is used. What fraction of the tank is full now? =
  20. 20.Anaya has a ribbon 1/3 m long and cuts off 2/7 m. How long is the ribbon now (in m)? =
  21. 21.5/6 − 1/9 =
  22. 22.9/10 − 3/5 =
  23. 23.A bottle has 7/10 litre of juice. Aarav drinks 1/2 litre. How much juice is left (in litres)? =
  24. 24.A bottle has 2/3 litre of juice. Tara drinks 2/5 litre. How much juice is left (in litres)? =
  25. 25.1/2 − 2/5 =
  26. 26.A tank is 3/4 full of water. Then water filling 2/5 of the tank is used. What fraction of the tank is full now? =
  27. 27.A bottle has 3/4 litre of juice. Riya drinks 1/10 litre. How much juice is left (in litres)? =
  28. 28.A bottle has 2/9 litre of juice. Tara drinks 1/6 litre. How much juice is left (in litres)? =
  29. 29.A bottle has 7/10 litre of juice. Meera drinks 2/3 litre. How much juice is left (in litres)? =
  30. 30.A tank is 3/4 full of water. Then water filling 1/5 of the tank is used. What fraction of the tank is full now? =
  31. 31.Ishaan has a ribbon 2/3 m long and cuts off 4/9 m. How long is the ribbon now (in m)? =
  32. 32.A tank is 9/10 full of water. Then water filling 3/4 of the tank is used. What fraction of the tank is full now? =
  33. 33.4/5 − 1/10 =
  34. 34.4/5 − 1/3 =
  35. 35.1/2 − 1/10 =
  36. 36.9/10 − 3/4 =
  37. 37.A bottle has 9/10 litre of juice. Diya drinks 4/5 litre. How much juice is left (in litres)? =
  38. 38.A bottle has 5/8 litre of juice. Anaya drinks 1/2 litre. How much juice is left (in litres)? =
  39. 39.A bottle has 4/5 litre of juice. Tara drinks 2/3 litre. How much juice is left (in litres)? =
  40. 40.3/8 − 1/6 =

Answer key

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

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