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Subtract Fractions with Different Denominators Worksheet

Fractions lesson 16: Subtracting fractions: different denominators · Set 258 · 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 4/5 litre of juice. Riya drinks 1/3 litre. How much juice is left (in litres)? =
  2. 2.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? =
  3. 3.3/4 − 3/7 =
  4. 4.3/5 − 1/10 =
  5. 5.A bottle has 1/2 litre of juice. Vihaan drinks 2/9 litre. How much juice is left (in litres)? =
  6. 6.8/9 − 1/6 =
  7. 7.5/9 − 1/6 =
  8. 8.4/7 − 1/2 =
  9. 9.A bottle has 6/7 litre of juice. Aarav drinks 3/4 litre. How much juice is left (in litres)? =
  10. 10.Diya has a ribbon 3/4 m long and cuts off 1/8 m. How long is the ribbon now (in m)? =
  11. 11.2/5 − 1/3 =
  12. 12.A tank is 4/5 full of water. Then water filling 1/10 of the tank is used. What fraction of the tank is full now? =
  13. 13.A tank is 5/8 full of water. Then water filling 1/4 of the tank is used. What fraction of the tank is full now? =
  14. 14.A bottle has 7/10 litre of juice. Arjun drinks 2/3 litre. How much juice is left (in litres)? =
  15. 15.Vihaan has a ribbon 2/3 m long and cuts off 4/7 m. How long is the ribbon now (in m)? =
  16. 16.1/2 − 2/9 =
  17. 17.2/5 − 1/10 =
  18. 18.A bottle has 3/4 litre of juice. Meera drinks 1/5 litre. How much juice is left (in litres)? =
  19. 19.A bottle has 5/6 litre of juice. Diya drinks 3/10 litre. How much juice is left (in litres)? =
  20. 20.3/4 − 2/7 =
  21. 21.5/6 − 4/5 =
  22. 22.Tara has a ribbon 7/9 m long and cuts off 2/3 m. How long is the ribbon now (in m)? =
  23. 23.4/5 − 1/2 =
  24. 24.2/3 − 4/9 =
  25. 25.4/7 − 1/4 =
  26. 26.7/10 − 3/5 =
  27. 27.Rohan has a ribbon 3/5 m long and cuts off 1/4 m. How long is the ribbon now (in m)? =
  28. 28.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? =
  29. 29.Meera has a ribbon 3/5 m long and cuts off 1/4 m. How long is the ribbon now (in m)? =
  30. 30.Riya has a ribbon 5/6 m long and cuts off 1/8 m. How long is the ribbon now (in m)? =
  31. 31.3/5 − 3/10 =
  32. 32.7/9 − 1/6 =
  33. 33.1/6 − 1/9 =
  34. 34.Anaya has a ribbon 5/6 m long and cuts off 4/5 m. How long is the ribbon now (in m)? =
  35. 35.5/6 − 7/9 =
  36. 36.Anaya has a ribbon 1/2 m long and cuts off 1/8 m. How long is the ribbon now (in m)? =
  37. 37.A bottle has 7/10 litre of juice. Diya drinks 1/5 litre. How much juice is left (in litres)? =
  38. 38.2/3 − 5/9 =
  39. 39.A bottle has 8/9 litre of juice. Diya drinks 5/6 litre. How much juice is left (in litres)? =
  40. 40.7/9 − 2/3 =

Answer key

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

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