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.
[[-86, -87, 49, -98, -10, -60, -42], [-88, -27, -163], [-174, -132, -148], [-103, 1, -198, 6, 98], [-172, -152, 63, 9, -166, -70, 73], [-91, 30, 74]]