Which fraction is less than ${\frac{1}2{}}{}$?
$\frac{9}{10}$
$\frac{1}{4}$
$\frac{5}{8}$
$\frac{5}{6}$
$\frac{7}{8}$
A man won 3 out of 5 games on Monday, 2 out of 7 games on Wednesday, and 3 out of 8 games on Friday. If he only played games on Monday, Wednesday and Friday, what is the ratio of his total wins to losses?
$\frac{9}{20}$
$\frac{2}{3}$
$\frac{3}{5}$
$\frac{3}{8}$
$\frac{2}{7}$
