Question

qual fraçao seguinte e equivalente -4/7 -16/21 16-/24 -28/16 -16/28

Answer 1

$- \frac{4 }{7} = - \frac{16}{28} \: \: \: pois \: \\ \\ \\ - \frac{16}{28} = - \frac{4 \times 4}{7 \times 4} \:$