2 member LLC taxes question

[Daniel Suarez]

I formed 2 llcs in 2019. One is for me a partner with a multi family and the other is for me and another partner for a single family.

My question is, for tax purposes do we need to do anything else other than just declare our income and loses individually? Or do we need to fill any special LLC forms out (someone mentioned something about k-1 and another form I don't recall)

Thanks so much in advanced. First time doing taxes with an LLC