Respuesta :

harrisonjones0407

Answer:

3/8

Step-by-step explanation:

72-45 gives 27 which is how many marks missed 27 and 72 both go into nine which is the highest common factor. 27/9=3 72/9=8 so its 3/8

xplicifire

Answer:

Step-by-step explanation:

(72-45)/72 = 27/72 = 3/8