It really depends on the feel of the track and the sound that you want to create and the way in which they align. If it’s an uptempo more progressive sound then you might play a little more of the track (or a little less depending on where you are in your set).but if it is a slower, more soulful sound you might consider mixing it in over another sound. There are so many diverse possibilities with this (all of which are not exclusive to deep house but all music) that no one person could explain them. You are the artist and the music is your paint; create your own masterpiece.