Xbox 360 Live question?

Question

I got a free prepaid card for gta 4 but ive already used a 30 day trial from another game. If i redeem this new card will my old trial go away or will it just add 30 more days?

Answer 1

as long as you still have all of the information from the last gamertag than just enter the code and it will add 30 days onto your gamertag profile.

Answer 2

it adds to it