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Subtract Fractions with Different Denominators Worksheet

Fractions lesson 16: Subtracting fractions: different denominators · Set 687 · 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. 1.4/5 − 7/10 =
  2. 2.Riya has a ribbon 4/9 m long and cuts off 1/3 m. How long is the ribbon now (in m)? =
  3. 3.A bottle has 8/9 litre of juice. Vihaan drinks 2/3 litre. How much juice is left (in litres)? =
  4. 4.3/10 − 1/4 =
  5. 5.A bottle has 3/4 litre of juice. Arjun drinks 7/10 litre. How much juice is left (in litres)? =
  6. 6.A tank is 4/9 full of water. Then water filling 1/6 of the tank is used. What fraction of the tank is full now? =
  7. 7.7/9 − 1/2 =
  8. 8.2/3 − 1/6 =
  9. 9.7/10 − 2/5 =
  10. 10.3/4 − 1/8 =
  11. 11.3/5 − 1/3 =
  12. 12.7/10 − 1/2 =
  13. 13.A bottle has 7/9 litre of juice. Diya drinks 1/2 litre. How much juice is left (in litres)? =
  14. 14.2/3 − 4/7 =
  15. 15.Tara has a ribbon 4/7 m long and cuts off 1/3 m. How long is the ribbon now (in m)? =
  16. 16.5/6 − 3/8 =
  17. 17.2/3 − 3/7 =
  18. 18.A tank is 4/7 full of water. Then water filling 1/2 of the tank is used. What fraction of the tank is full now? =
  19. 19.9/10 − 1/5 =
  20. 20.A bottle has 2/3 litre of juice. Sara drinks 3/7 litre. How much juice is left (in litres)? =
  21. 21.Ishaan has a ribbon 7/8 m long and cuts off 3/4 m. How long is the ribbon now (in m)? =
  22. 22.3/4 − 1/2 =
  23. 23.4/7 − 1/2 =
  24. 24.Anaya has a ribbon 2/3 m long and cuts off 4/7 m. How long is the ribbon now (in m)? =
  25. 25.2/7 − 1/4 =
  26. 26.A bottle has 3/5 litre of juice. Anaya drinks 1/6 litre. How much juice is left (in litres)? =
  27. 27.6/7 − 1/2 =
  28. 28.A tank is 3/5 full of water. Then water filling 3/10 of the tank is used. What fraction of the tank is full now? =
  29. 29.3/4 − 3/8 =
  30. 30.A bottle has 3/4 litre of juice. Arjun drinks 1/5 litre. How much juice is left (in litres)? =
  31. 31.A bottle has 5/6 litre of juice. Meera drinks 7/9 litre. How much juice is left (in litres)? =
  32. 32.A bottle has 2/3 litre of juice. Diya drinks 2/5 litre. How much juice is left (in litres)? =
  33. 33.5/7 − 2/3 =
  34. 34.A bottle has 2/7 litre of juice. Tara drinks 1/4 litre. How much juice is left (in litres)? =
  35. 35.A bottle has 3/4 litre of juice. Anaya drinks 3/7 litre. How much juice is left (in litres)? =
  36. 36.Meera has a ribbon 2/3 m long and cuts off 5/9 m. How long is the ribbon now (in m)? =
  37. 37.Vihaan has a ribbon 4/7 m long and cuts off 1/2 m. How long is the ribbon now (in m)? =
  38. 38.A tank is 9/10 full of water. Then water filling 3/5 of the tank is used. What fraction of the tank is full now? =
  39. 39.Tara has a ribbon 2/3 m long and cuts off 1/5 m. How long is the ribbon now (in m)? =
  40. 40.7/8 − 5/6 =

Answer key

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

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