Question

(-3 pe 4 - 1 pe 8 : 3 pe 4) : 13 pe 8

Answer 1

$( -\frac{3}{4} - \frac{ \frac{1}{8} }{ \frac{3}{4} } )* \frac{8}{13} =(- \frac{3}{4} - \frac{1}{6} )* \frac{8}{13} =- \frac{11}{12} * \frac{8}{13} =- \frac{88}{156}$