Question

n estou conseguindo responder.

Answer 1

vc tem que dividir agora amiga

Answer 2

$\frac{x + y}{1 + xy} = \frac{ \frac{1}{2} + \frac{1}{4}}{1 + (\frac{1}{2} * \frac{1}{4})} = \frac{ \frac{3}{4} }{1+ \frac{1}{8}} = \frac{ \frac{3}{4} }{ \frac{9}{8} } = \frac{3}{4} * \frac{8}{9} = \frac{24}{36} = \frac{4}{6}$