Respuesta :

Answer:

11/24

Step-by-step explanation:

change it to :

20/24-9/24

then solve

Answer:

11/24

Step-by-step explanation:

10/12 - 3/8

10/12 + -3/8

5/6 + -3/8

20/24 + -9/24

20 + -9 / 24

= 11/24