5. $\left(\frac{12}{7}-\frac{20}{21}\right)\cdot\frac{56}{16}$

Question

$Фото задания: 5. $\left(\frac{12}{7}-\frac{20}{21}\right)\cdot\frac{56}{16}$$ Фото задания

Accepted Answer

\[\frac{12}{7}-\frac{20}{21}=\frac{36-20}{21}=\frac{16}{21}.\]

\[\frac{16}{21}\cdot\frac{56}{16}=\frac{56}{21}=\frac{8}{3}.\]

Ответ: $\frac{8}{3}$

5. \(\left(\frac{12}{7}-\frac{20}{21}\right)\cdot\frac{56}{16}\)