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.
[[51, 53, 97, -30], [-28, 87, 100, -169, -160, 15, 68], [-109, -141, -133, -159, -105, -142, 65]]