In this task, you are given a list. This list contains many lists of integers. The list is several items written within a []. Your task is to find the maximum number among the members of each inner list. The output should be a list comprised of the maximums with the same order as the internal lists.
[[-171, -125, -74, 96, -195, -186, -13], [20, -131, -40, 29, 51], [5, -183, -15, 68]]