Question

Porfaaa esque no le entendi ​

Answer 1

$\frac{a}{b} + \frac{c}{d} = \frac{ad + bc}{bd}$

$\frac{1}{8} + \frac{2}{4} = \frac{(1)(4) + (2)(8)}{(8)(4)}$

$\frac{1}{8} + \frac{2}{4} = \frac{4 + 16}{32} = \frac{20}{32} = \frac{10}{16} = \frac{5}{8}$