Question

1/3 X 4/7
7/8 X 3/2
3/5 X 5/9
4/45 X 9/5

Answer 1

Resposta:

$\frac{1}{3} \times \frac{4}{7} = \frac{4}{21} \\ \frac{7}{8} \times \frac{3}{2} = \frac{21}{16} \\ \frac{3}{5} \times \frac{5}{9} = \frac{1}{3} \\ \frac{4}{45} \times \frac{9}{5} = \frac{4}{25}$