Respuesta :
I think it is 2:3 because when you divide them both by nine you get 2:3 and that is as simple as it can get.
To find the simplest form, we divide both sides by a number.
18/3 = 6
27/3 = 9
6/3 = 2
9/3 = 3
Final answer: 2:3
18/3 = 6
27/3 = 9
6/3 = 2
9/3 = 3
Final answer: 2:3