Question

$\frac{a}{5}$ = $\frac{b}{6}$ . 6a - 5b = ?

Answer 1

a / 5 = b / 6
6a = 5b
6a - 5b = 5b - 5b = 0

Answer 2

$\frac{a}{5}= \frac{b}{6} }; 6a=5b ; 6a-5b=5b-5b=0;$