Dude I literally have no idea what to do

it's -1/8
Step-by-step explanation:
[tex] \frac{5}{16} - \frac{7}{16} [/tex]
[tex] - \frac{2}{16} [/tex]
you can simplify -2/16 to -1/8 because 1/8 is half of 2/16
so yeh.. answer will be
[tex] - \frac{1}{8} [/tex]