Now this is probably going to sound daft to the highly skilled technical riders here, but I'm not one of those, I just like riding my bike to get out in the open. When it comes to stopping I've always just applied both brakes together and the bike stops. Now I know that the front brake is meant to have more stopping power (although I assume that this is due to being at the front as, presumably, for a give rotor size both brakes have the same power) and that's clearly my experience (I have a larger front rotor too) – when descending at speed the front brake clearly slows the bike much faster than the rear.
At slower speeds the rear wheels tends and to lock easily and skid, with the front, the bike slows but the wheel doesn't lock (and I guess that this is a reason for using the front brake more).
This is probably all basic stuff but how do you lot tend to use the front/rear combinations is braking?