Question

efetue os produtos, simplificando as fracoes quando possivel
a) 3/4 . 2/3 =
b) 5/8 . 4/5 =
c) 2/7 . 7/9 =

Answer 1

Resposta:

A)

$\frac{1}{2}$

B)

$\frac{1}{2}$

C)

$\frac{2}{9}$

Explicação passo-a-passo:

A)

$\frac{3}{4} . \frac{2}{3} = \frac{6}{12} = \frac{1}{2}$

B)

$\frac{5}{8} . \frac{4}{5} = \frac{20}{40} = \frac{2}{4} = \frac{1}{2}$

C)

$\frac{2}{7} . \frac{7}{9} = \frac{14}{63} = \frac{2}{9}$