Question

help my
!!!!!!!!!!!!!!

Answer 1

$(frac{2}{3} + frac{7}{8}- frac{5}6} )*(1- frac{5}{17} )= frac{16+21-20}{24} * frac{12}{17} = frac{17}{24} *frac{12}{17} = frac{1}{2}$

Answer 2

2/3+7/8-5/6=16/24+21/24-20/24=
=17/24
1-5/17=17/17-5/17=12/17
17/24×12/17=1/2