Question

Помогите решить. $\frac{7}{8} : \frac{5}{6}$ *$\frac{30}{7}$

Answer 1

$\frac{7}{8} \div \frac{5}{6} \times \frac{30}{7} = \frac{7 \times 6 \times 30}{8 \times 5 \times 7} = \frac{1 \times 3 \times 6}{4 \times 1 \times 1} = \frac{18}{4} = \frac{9}{2} = 4 \frac{1}{2}$