In this guide we’ve compiled plenty of useful information to get you started in the new dungeons, along with plenty of tips and important details to be aware of based on our hands-on time with them so far.
Here is the link , happy farming !
Complete Guide to Fractals of the Mists | Guild Wars 2 Hub
Edit : Also On youtube ! http://www.youtube.com/watch?v=aoLXnJACxm8