Question

7/4+(-1/2)
$\frac{7}{4} + ( - \frac{1}{2} ) =$

Answer 1

RESOLVER :

$\frac{7}{4}+\left(-\frac{1}{2}\right)=\frac{7}{4}-\frac{1\cdot \:2}{4}=\frac{7-1\cdot \:2}{4}=\frac{5}{4}$