Question

efetue as adições e subtraçoes conforme o caso
5/9 + 2/9​

Answer 1

Hi,

$\frac{5}{9} + \frac{2}{9} = \frac{7}{9}$

$\frac{3}{4} - \frac{1}{4} = \frac{1}{2}$

$\frac{4}{5} - \frac{1}{2} = \frac{3}{10}$

Hope this helps!