Question

resolver la siguiente operacion porfaa ayudenmeee
7/5-3/7-2
_______ -5
4/6-2/10

Answer 1

Solución:

$\dfrac{ \dfrac{7}{5} - \dfrac{3}{7} - 2 }{ \dfrac{4}{6} - \dfrac{2}{10} } -5 \\ \\ \\ \dfrac{ \dfrac{49-15}{35} - 2 }{ \dfrac{40-12}{60} } -5 \\ \\ \\ \dfrac{ \dfrac{34}{35} - 2 }{ \dfrac{28}{60} } -5 \\ \\ \\ \dfrac{ \dfrac{34-70}{35} }{ \dfrac{28}{60} } -5 \\ \\ \\ \dfrac{ \dfrac{-36}{35} }{ \dfrac{28}{60} } -5 \\ \\ \\ \dfrac{-2160}{980} -5 \\ \\ \\ \dfrac{-2160 - 4900 }{980} \\ \\ \\ \dfrac{-7060 }{980} \ \ --\ \textgreater \ simplificas \ :/20 \\ \\ \\ - \dfrac{353}{49} \ \ ----\ \textgreater \ \ \textgreater \ \ \textgreater \ Respuesta$