Question

2 1/7:1 11/14=? это відносини ​

Answer 1

$2\frac{1}{7}:1\frac{11}{14}=\frac{15}{7}:\frac{25}{`4}=\frac{15}{7}*\frac{14}{25}=3*\frac{2}{5}=\frac{6}{5}=1\frac{1}{5}=1,2$