;s fan so loud, literally i only have one tab open and it is obnoxiously loud. Why is this?

I have a 13-inch MacBook pro, and the fan is extremely loud, literally, i only have one tab open and it is obnoxiously loud. I have tried resetting it and closing all the extra tabs and it is still doing this. I haven't even had this computer that long (only 6 months). Why is this? What can I do to fix it?

Is there something that you guys can do to fix it.