How to use 2 subject areas in same formula

Summary:

Using Analysis Report type, is it possible to have data from both subject areas in the same formula?

Content (please ensure you mask any confidential information):

Looking to capture what period someone leaves a sales compensation plan - Period information is not in Participant Comp Plan Subject area, and this is the only subject area that has the Participant Plan end dates. I have two subject areas for this Analysis, and in individual formulas, results pass with no issue. I now need to create a check that requires me to bring in a results from the second subject area.