Question

what is the ratio 15 :24 written in the lowest terms

Answer 1

15:24 to the lowest term is 5:8. This is because you divide each number by the same number. You will divided 15 and 24 by 3 to get 5:8.

Answer 2

15:24

Divide 3 each:  15 divided by 3=5

24 divided by 3= 8

You can't go further than that.

Therefore your answer will have to be 5:8 or 5/8. Hope this helped!