Creating accessible math is hard. As you heard in a previous video, depending on the type of browser, its version, the type of screen reader and its version, the same equation may be read in multiple ways to the student.
Below is a video tutorial on how we would recommend you create your math, that would allow our office to provide the student with accessible math.
(P.S I intended on combining the two videos, but ran into issues doing so)
From LaTeX to Accessible Math