Just take it slow. They probably won't get along at first, but they will eventualy. i had the same problem, except with a 1 month old kitten that i found, and my older cat hated him. bonding your cats can be done in steps, which i find easiest and most effective.
1) - in a room, put a portible fence dividing it, but make sure the cats cant squeaze through, and that they can see eachother. then sit still, probably on the kitten's side, so your cat can't come woosing to you. leave them there for a little while.
2) when you are happy with how they are going in that step, get your kitten and hold it about 50/70 cm away from your older cat. keep doing this.
3) when step 2 has worked to a level of satisfaction, put both the cats in the same room. HOWEVER: make sure you have places where the kitten and cat can get away from the other one if they feel threatened. continue doing this step.
4) finally, you can leave them together. if they still fight or dont get along, go back to whatever step where things started getting a bit scratchy.
hope i helped,
best of luck!