Question

ex.2 va rog!!!dau coroana

Answer 1

$\frac{4}{9} + \frac{3}{9} - \frac{5}{9} = \frac{4+3-5}{9} = \frac{2}{9}$
$( \frac{8}{12} - \frac{4}{12}) + ( \frac{6}{12} - \frac{3}{12} ) = \frac{8-4}{9} + \frac{6-3}{9} = \frac{2}{9} + \frac{3}{9} = \frac{5}{9}$