\[9\frac{5^{\backslash 7}}{14} - 3\frac{27^{\backslash 2}}{49} = 9\frac{35}{98} - 3\frac{54}{98} =\]
\[= 8\frac{133}{98} - 3\frac{54}{98} = 5\frac{79}{98}\]