Question

5/9-(1/2+5/6)+(-2/3+1/1)=

Answer 1

$\frac{10}{18}-( \frac{9}{18} + \frac{12}{18} )( \frac{12}{18} \frac{18}{18})$=
$\frac{10}{18} - \frac{24}{18} + \frac{30}{18} =$=
$\frac{16}{18}$