9) \(|-\frac{11}{12}|+|-2,5|-|\frac{3}{4}|=\)

\(|-\frac{11}{12}|=\frac{11}{12}\), \(|-2,5|=2,5\), \(|\frac{3}{4}|=\frac{3}{4}\).

\(\frac{11}{12}+2,5-\frac{3}{4}=\frac{11}{12}+\frac{30}{12}-\frac{9}{12}=\frac{32}{12}=\frac{8}{3}\).

Ответ: \(\frac{8}{3}\).