13/4x3/2x1/4x6/5

:) 

$\dfrac{13}{4}\times \dfrac{3}{2} \times \dfrac{1}{4} \times \dfrac{6}{5}\\ =\dfrac{13\times 3\times 6}{4\times 2\times 4\times 5}\\ =\dfrac{234}{160}\\ =\dfrac{117}{80}$