Respuesta :

5 over 8

40/64→20/32→10/16→5/8

Answer:

5/8

Step-by-step explanation:

you find out what they both go into which is 4

you do 40÷4= 10 and 64÷4=16

10 and 16 both go into 2 so you divide both 10 and 16 by 2

so your final answer is  5/8