Question

a) resolva as multiplicacoes com numeros mistos:
2 5/4 x 1 4/7
b) resolva as expressoes envolvendo multiplicacao e devisao:
9/12 dividido 1/2 x 4/5

Answer 1

Explicação passo-a-passo:

$\frac{5}{4} \times \frac{14}{7} = \frac{70}{28}$

$\frac{9}{12} = \frac{1}{2} = \frac{18}{12}$

$\frac{18}{12} \times \frac{4}{5} = \frac{72}{60}$