Question : What is the difference between git and github?

Answer :   Git is a version control tool that will allow you to perform all kinds of operations to fetch data from the central server or push data to it ...

Git (/ɡɪt/) is software for tracking changes in any set of files, usually used for coordinating work among programmers collaboratively developing source code during software development. whereas ,

GitHub (A contraction of the words Git and Hub Computing » Software)  is a cloud based platform built around the Git tool , a core hosting platform for version control collaboration. 

You do not need GitHub to use git, but you cannot use GitHub without using git.