Jana finished 1/4 of her homework at school and 5/7 of it before dinner. Which of the following statements is true?

She has a lot of homework left to finish.
She has about half of her homework left to finish.
She has a little homework left to finish.
She has none of her homework left to finish.

Respuesta :

First, find the LCD. That 28.

5/7 = 20/28
1/4 = 7/28

20/28 + 7/28 = 27/28

She has completed 27/28 of her homework, leaving her with 1/28 of her homework left to do. 

She has a little homework left to finish.