The coordinating conjunction is a form of conjunction used to connect words, phrases or clauses that stand alone. Like but, or, so, yet and not. Example: I and you are couple we love this film but we do not watch it
subordinating conjunction is a conjunction in English which is attached at the beginning of a clause. The subordinating conjunction is like after, before, because, until, how, since, when, while. Example: after eating, you ca drink it (after eating, you can drink it) before you do your task, please study hard (before you do your assignment, please study hard)