Question

Resolver: 1/5 + 2/4 – 1/10​

Answer 1

$\frac{1}{5} +\frac{2}{4} -\frac{1}{10}=\\\\\frac{4}{20} +\frac{10}{20} -\frac{2}{20} =\\ \\ \frac{14}{20} -\frac{2}{20}= \frac{12}{20} = \frac{6}{10} =\frac{3}{5}$