Write each of the following in simplest form. 3 8/12

4 6/8

5 6/24

I'm not sure how its written or done so pls show me how I do it step by step pls thanks so much!

To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=1