How to make it so that when you click on the buttons of one activity, fragments of different sizes open?

Question

Android

There is one activity and 2 buttons. How to make it so that when you click on the first button, a fragment of the size of 1/2 of the screen opens, and when you click on the second button, a fragment of 1/4 of the screen opens? (they should overlap)

Answer 1

make containers of different sizes for fragments.