facebook has made it harder for anyone to directly add friends from fan pages, with a little hacking, you can still review all fans and options to add as friend.
say your looking to connect with other real estate agent
goto: enter real estate in search box, last options on the bottom click on “see more result for real estate”
then filter your result to “pages” for fan
will list XXX people like this – click on it
bam, you can start adding.. do not add more than 20 a day, facebook might ban your account for spamming