\[9\frac{7^{\backslash 4}}{12} - 4\frac{11^{\backslash 3}}{16} = 9\frac{28}{48} - 4\frac{33}{48} =\]
\[= 8\frac{76}{48} - 4\frac{33}{48} = 4\frac{43}{48}.\]