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Adding Fractions with Different Denominators Worksheet

Fractions lesson 15: Adding fractions: different denominators · Set 52 · 40 questions
TalentJR

The method (LCM first): Find the LCM of the two bottom numbers. Change each fraction to that bottom number (multiply its top and bottom by the same number). Add the tops, keep the bottom, and simplify.

NameDateTime takenScore ___ / 40
  1. 1.Aarav walks 3/7 km to the park and then 3/4 km to the shop. How far does Aarav walk in all (in km)? =
  2. 2.A jug has 5/6 litre of milk. Riya pours in 2/5 litre more. How much milk is in the jug now (in litres)? =
  3. 3.4/9 + 2/3 =
  4. 4.4/5 + 1/3 =
  5. 5.4/7 + 1/4 =
  6. 6.1/7 + 1/3 =
  7. 7.2/3 + 5/9 =
  8. 8.A jug has 2/3 litre of milk. Anaya pours in 5/7 litre more. How much milk is in the jug now (in litres)? =
  9. 9.Diya walks 7/10 km to the park and then 1/5 km to the shop. How far does Diya walk in all (in km)? =
  10. 10.A recipe needs 1/10 kg of flour and 3/5 kg of sugar. How much is that in all (in kg)? =
  11. 11.1/10 + 4/5 =
  12. 12.Kabir walks 1/4 km to the park and then 5/6 km to the shop. How far does Kabir walk in all (in km)? =
  13. 13.A jug has 2/5 litre of milk. Aarav pours in 1/3 litre more. How much milk is in the jug now (in litres)? =
  14. 14.A recipe needs 5/7 kg of flour and 1/4 kg of sugar. How much is that in all (in kg)? =
  15. 15.1/4 + 4/5 =
  16. 16.3/7 + 3/4 =
  17. 17.1/2 + 7/9 =
  18. 18.A recipe needs 3/5 kg of flour and 3/10 kg of sugar. How much is that in all (in kg)? =
  19. 19.Rohan walks 2/7 km to the park and then 3/4 km to the shop. How far does Rohan walk in all (in km)? =
  20. 20.Meera walks 2/5 km to the park and then 1/4 km to the shop. How far does Meera walk in all (in km)? =
  21. 21.6/7 + 1/4 =
  22. 22.1/9 + 1/2 =
  23. 23.A jug has 7/10 litre of milk. Aarav pours in 2/3 litre more. How much milk is in the jug now (in litres)? =
  24. 24.A recipe needs 3/4 kg of flour and 2/5 kg of sugar. How much is that in all (in kg)? =
  25. 25.2/5 + 1/4 =
  26. 26.1/9 + 1/3 =
  27. 27.Meera walks 1/7 km to the park and then 1/2 km to the shop. How far does Meera walk in all (in km)? =
  28. 28.A jug has 3/10 litre of milk. Meera pours in 1/3 litre more. How much milk is in the jug now (in litres)? =
  29. 29.5/8 + 1/2 =
  30. 30.A jug has 2/5 litre of milk. Kabir pours in 1/10 litre more. How much milk is in the jug now (in litres)? =
  31. 31.A recipe needs 5/9 kg of flour and 1/2 kg of sugar. How much is that in all (in kg)? =
  32. 32.1/6 + 1/3 =
  33. 33.3/5 + 3/10 =
  34. 34.4/5 + 1/2 =
  35. 35.5/8 + 1/6 =
  36. 36.7/8 + 1/6 =
  37. 37.A recipe needs 7/8 kg of flour and 1/2 kg of sugar. How much is that in all (in kg)? =
  38. 38.A recipe needs 4/7 kg of flour and 2/3 kg of sugar. How much is that in all (in kg)? =
  39. 39.A jug has 9/10 litre of milk. Arjun pours in 2/3 litre more. How much milk is in the jug now (in litres)? =
  40. 40.Rohan walks 9/10 km to the park and then 1/6 km to the shop. How far does Rohan walk in all (in km)? =

Answer key

  1. 33/28
  2. 37/30
  3. 10/9
  4. 17/15
  5. 23/28
  6. 10/21
  7. 11/9
  8. 29/21
  9. 9/10
  10. 7/10
  11. 9/10
  12. 13/12
  13. 11/15
  14. 27/28
  15. 21/20
  16. 33/28
  17. 23/18
  18. 9/10
  19. 29/28
  20. 13/20
  21. 31/28
  22. 11/18
  23. 41/30
  24. 23/20
  25. 13/20
  26. 4/9
  27. 9/14
  28. 19/30
  29. 9/8
  30. 1/2
  31. 19/18
  32. 1/2
  33. 9/10
  34. 13/10
  35. 19/24
  36. 25/24
  37. 11/8
  38. 26/21
  39. 47/30
  40. 16/15

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