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.
[[-147, -74, -22, -117, -123, -99, -170], [-91, 35, -181, -133, -121, -90, -198]]