Question

Помогите решить 1/2 : 2/5

Answer 1

$dfrac{1}{2} : dfrac{2}{5} = dfrac{1}{2} cdotp dfrac{5}{2} = dfrac{1 cdotp 5}{2 cdotp 2} = dfrac{5}{4} = 1dfrac{1}{4}$

Answer 2

1/2 * 5/2 = 5/4 = 1 целая 1/4