lets say both are the same
Then they would absorb each other, forming a larger black hole in a similar way you compress two masses of Play-doh together.
Except with two ultra-dense, unmovable black holes which shouldn't even get in range of another to be absorbed.
So we know what school you go to what you look like your age...if I wanted to I could use some police investigation programs and brown townyze your face to find out where you live :)
I uh.
Um.
Okay.