Your and you're sound similar and are sometimes confused even by native speakers.
Your is the possessive form of you. It shows ownership or relationship to the person you are talking to.
Examples:
Can I borrow your bike?
Your daughter is in the garden.
You're is the contraction of you are.
Examples:
You're cheerful.
You're the same age as me.
When you are unsure which to use, remember that you're is you are.
Now decide if you or you're are needed in these sentences: