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Subtract Fractions with Different Denominators Worksheet

Fractions lesson 16: Subtracting fractions: different denominators · Set 113 · 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 5/6 litre of juice. Diya drinks 3/10 litre. How much juice is left (in litres)? =
  2. 2.Kabir has a ribbon 1/3 m long and cuts off 2/9 m. How long is the ribbon now (in m)? =
  3. 3.4/5 − 1/3 =
  4. 4.A tank is 7/8 full of water. Then water filling 3/4 of the tank is used. What fraction of the tank is full now? =
  5. 5.1/2 − 3/8 =
  6. 6.A bottle has 1/3 litre of juice. Meera drinks 1/6 litre. How much juice is left (in litres)? =
  7. 7.A tank is 2/7 full of water. Then water filling 1/4 of the tank is used. What fraction of the tank is full now? =
  8. 8.3/5 − 1/10 =
  9. 9.Riya has a ribbon 3/5 m long and cuts off 1/10 m. How long is the ribbon now (in m)? =
  10. 10.3/4 − 2/5 =
  11. 11.1/3 − 2/9 =
  12. 12.Ishaan has a ribbon 2/5 m long and cuts off 1/6 m. How long is the ribbon now (in m)? =
  13. 13.Ishaan has a ribbon 5/6 m long and cuts off 2/9 m. How long is the ribbon now (in m)? =
  14. 14.1/2 − 1/8 =
  15. 15.A bottle has 9/10 litre of juice. Riya drinks 1/3 litre. How much juice is left (in litres)? =
  16. 16.4/7 − 1/4 =
  17. 17.5/6 − 5/9 =
  18. 18.3/5 − 3/10 =
  19. 19.A bottle has 1/2 litre of juice. Aarav drinks 1/9 litre. How much juice is left (in litres)? =
  20. 20.8/9 − 1/3 =
  21. 21.A bottle has 1/6 litre of juice. Kabir drinks 1/10 litre. How much juice is left (in litres)? =
  22. 22.Anaya has a ribbon 1/2 m long and cuts off 2/5 m. How long is the ribbon now (in m)? =
  23. 23.3/10 − 1/4 =
  24. 24.A bottle has 7/9 litre of juice. Meera drinks 2/3 litre. How much juice is left (in litres)? =
  25. 25.1/2 − 2/7 =
  26. 26.A bottle has 7/8 litre of juice. Meera drinks 3/4 litre. How much juice is left (in litres)? =
  27. 27.9/10 − 1/4 =
  28. 28.5/7 − 2/3 =
  29. 29.A bottle has 2/5 litre of juice. Tara drinks 1/4 litre. How much juice is left (in litres)? =
  30. 30.6/7 − 3/4 =
  31. 31.4/5 − 3/10 =
  32. 32.3/10 − 1/6 =
  33. 33.A bottle has 7/8 litre of juice. Riya drinks 1/2 litre. How much juice is left (in litres)? =
  34. 34.A bottle has 1/4 litre of juice. Arjun drinks 1/8 litre. How much juice is left (in litres)? =
  35. 35.A bottle has 5/6 litre of juice. Diya drinks 3/8 litre. How much juice is left (in litres)? =
  36. 36.A bottle has 7/9 litre of juice. Aarav drinks 2/3 litre. How much juice is left (in litres)? =
  37. 37.7/9 − 2/3 =
  38. 38.A bottle has 1/2 litre of juice. Vihaan drinks 2/5 litre. How much juice is left (in litres)? =
  39. 39.7/8 − 1/6 =
  40. 40.A bottle has 3/4 litre of juice. Rohan drinks 1/3 litre. How much juice is left (in litres)? =

Answer key

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

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