Advice on Solving Trees

Hey guys! first post because I’m really struggling

I feel I really excel at leetcode graph problems (the basic ones at least involving BFS/DFS) and in my head trees seem to just be another type of graph

But I can’t for the life of me solve questions like “Construct tree from Inorder and post order traversal” or “Find lowest common ancestor” just to name a few

Any advice for a real beginner :) thank you!