Answer :
[tex]\frac{7}{8}-\frac{1}{2}=\ \ \ \ | make\ common\ denominator\\\\
\frac{7}{8}-\frac{4}{8}=\frac{7-4}{8}=\frac{3}{8}\\\\
Solution\ is\ \frac{3}{8}.
[/tex]
I checked and in my work my answer was .375 so I hope this helps you because this is the answer that I got when I subtracted this equation.