Question 163691
No one will be able to answer this question that way it is typed. 
Please, retype the question correctly.

From fraction, use the slash bar which looks like this: /

For example, (2x + 3)/(3x)

You said that it is rational expression, which means it is a fraction but I did not see your fraction bar.

Do you see what I mean?

Please, retype it correctly.