Question

Qual a expressao que corresponde ao calculo 1/8+(-1/4)

Answer 1

$\frac{1}{8} + ( \frac{ - 1}{4} ) = \\ \frac{1}{8} - \frac{1}{4} = \\ \frac{1}{8} - \frac{2}{8} = \\ - \frac{1}{8}$