Lisa added 4 7/15 and 5 2/5 to get a sum of 10 2/15. Which of the following explains whether her answer is reasonable?

Respuesta :

Answer:

D.

Yes; 7/15 and 2/5 are both greater than 1/2, so the sum has to be greater than 10.

Step-by-step explanation:

hope that helps -w-