Appreciate the feedback and I hear what is being said. What was: 14/2 line was put in when the house was built in the late 70's and was used to connect the both bathrooms to the same 15 amp breaker. The breaker kept tripping because all the hair dryers and curling irons were being used often at the same time in both bathroons.
What I did: take off the dwnstairs (fan and plug) off the existing line and then ran a new line on a 15 amp circuit breaker into the this existing box, now I want to connect the new gfi (20 amp) and fan to that new line. Don't need the gfi to cover the fan, just need the power to from it.
Thanks for the patience in answers.