8. \(10\frac{5}{16}-4\frac{13}{16}\)

\[10\frac{5}{16}-4\frac{13}{16}=9\frac{21}{16}-4\frac{13}{16}=5\frac{8}{16}=5\frac{1}{2}.\]

Ответ: \(5\frac{1}{2}\).