Fragments are incomplete sentences. Usually, fragments are pieces of sentences that have become disconnected from the main clause. One of the easiest ways to correct them is to remove the period between the fragment and the main clause.
Aunt Alexandra went to live with Jem and Scout for a while. she talks to Atticus about it and thinks its necessary to be there so scout has a female influence.
Like in the sentence you wrote just do a story like a thing happend to you or something really explain: Write 5 sentence about what happend to you in your life