Posted by **kiki** on Wednesday, May 16, 2007 at 9:58pm.

how would i write this ratio in simplest form?

30 seconds to 5 minutes

in ratios you should have the same units, then they will cancel and you don't have to write them

so how many seconds are there in 5 minutes?

your simple ratio is then found:

30sec/300sec

= 1/10 or 1:10