Question

4/5:2 2/3-3:3/4. 1/6-1/15

Answer 1

$frac{4}{5}:2=frac{4}{5*2}=frac{2}{5*1}=frac{2}{5}\frac{2}{3}-3:frac{3}{4}=frac{2}{3}-3*frac{4}{3}=frac{2}{3}-4=-3frac{1}{3}\frac{1}{6}-frac{1}{15}=frac{5}{30}-frac{2}{30}=frac{5-2}{30}=frac{3}{30}=frac{1}{10}$

Answer 2

спасибо большое