Question

fração irredutivel

75%

90%

20%

160%

Answer 1

75%=
$\frac{75}{100} : 25= \frac{3}{4}$

90%=

$\frac{90}{100} : 10 = \frac{9}{10}$

20%=

$\frac{20}{100} : 20= \frac{1}{5}$

160%=

$\frac{160}{100} : 10= \frac{16}{10} : 2= \frac{8}{5}$