Resposta:
[tex]\frac{3}{10} = 0,3[/tex]
Explicação passo a passo:
[tex]\frac{(\frac{1}{4}+\frac{1}{2})}{\frac{3}{2} + 1} =\frac{(\frac{1}{4}+\frac{2}{4})}{\frac{3}{2} + \frac{2}{2}} = \frac{\frac{3}{4}}{\frac{5}{2}} = \frac{3}{4}\times \frac{2}{5} = \frac{6}{20}=\frac{3}{10}[/tex]
