What are the similarities between myth and fairy tale?

A myth is a story about the life of ancient gods and heroes. The events narrated in the myth are implausible and fantastic. This is the similarity between myth and fairy tale. In a fairy tale, the narrative takes the form of undisguised fiction. There is another similarity between myth and fairy tale. A fairy tale, like a myth, is a work of the folklore genre and does not have an author. Of course, we are talking only about folk tales.