Question

($frac{1}{2}$+2/7)·14/13 помогите решить

Answer 1

$( frac{1}{2} + frac{2}{7})* frac{14}{13} = frac{7+4}{14} * frac{14}{13} = frac{11}{13}$

Answer 2

$( frac12+ frac27)* frac{14}{13}= (frac{7}{14}+ frac{4}{14})* frac{14}{13}= frac{7+4}{14}* frac{14}{13}= frac{11}{14}* frac{14}{13}= frac{11}{13}$