Question

Решите пж
$1 - \frac{4}{9}$

Answer 1

$\displaystyle \tt 1-\frac{4}{9}=\frac{9}{9}-\frac{4}{9}=\frac{9-4}{9}=\frac{5}{9}$

Answer 2

$1 - \frac{4}{9} = \frac{9}{9} - \frac{4}{9} = \frac{5}{9}$