Question

$\frac{17}{95} -\frac{40}{36} =$
por favor me urge

Answer 1

$\frac{17}{95} - \frac{40}{36} = \frac{3800 - 612}{3420 } = \frac{3188}{3420} = \frac{797}{855}$

multiplica cruzado

95×40=3800

17×36=612

y se multiplican los divisores

95×36=3420

se restan 3800-612=3188

se simplifica