6/45 = 2/15
15/17 is the simplest form.
18/7 is in its simplest form.
if it is a ratio you do not put it in simplest form but here is the answer anyways 1/10.
15/28 is the simplest form and, by definition, the simplest form must be equivalent to other forms of the ratio.
13.89/8 = 1389/800 is the simplest form.
It is 2/7 in its simplest form
4/3
31/25 is in its simplest form.
224/560 = 2/5
6/5, as a ratio, cannot be simplified.
9/12 = 3/4
4xy/0.25x = 16y