How to join multiplayer minecraft on lan?

Me and my friend are on the same Wi-Fi and we're trying to play multiplayer minecraft through lan. So one of us will open a world to lan which should bring it up automatically for the other person on multiplayer (i thought) but it doesn't. So then the person with the open lan can open up another minecraft and find it under multiplayer to give the other person the IP address but it never connects. Anyone help? A while ago we tried connecting through a server but this failed so we tried this.

Any help appreciated!

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try getting to other person to open one
type in the ip that comes up

Who ever is hosting the lan party, the other player just types your networks ip. If that doesn't work try 0.0.0.0