Question

найдите отношение а) 109 к 2; б) 6,4 к 3 целым 1/5

Answer 1

109/2=54,5
$\frac{6.4}{3 \frac{1}{5} } = 6.4 \div 3.2 = 2$

Answer 2

$109:2=\frac{109}{2}=\frac{54,5}{1}=54,5:1\\\\6,4:3\frac{1}{5}=\frac{64}{10} :\frac{16}{5}=\frac{32}{5} :\frac{16}{5}=\frac{32}{5}\cdot \frac{5}{16}=\frac{32}{16}=\frac{2}{1}=2:1$