Question

Como resolver 1/4 +9/20?

Answer 1

$\frac{1}{4} + \frac{9}{20} =$
4, 20 | 2
2, 10 | 2
1,   5 | 5
1,   1 | 2² . 5 = 20
$\frac{5+9}{20} =$
$\frac{14}{20} =$ $\frac{7}{10}$