Question

найдите отношение
$\frac{12}{17} \div \frac{48}{51}$
​

Answer 1

Решение и ответ:

$\displaystyle \[\frac{{12}}{{17}}:\frac{{48}}{{51}}=\frac{{12}}{{17}}\cdot\frac{{51}}{{48}}=\frac{{\rlap{--}1\rlap{--}2}}{{\rlap{--}1\rlap{--}7}}\cdot\frac{{\rlap{--}1\rlap{--}7\cdot3}}{{\rlap{--}1\rlap{--}2\cdot4}}=\boxed{\frac{3}{4}}\]$