Question

3 - 1/10:2/15 помогите решить

Answer 1

$1) - \frac{1}{10} \div \frac{2}{15} = - \frac{1}{10} \times \frac{15}{2} = - \frac{15}{20} = - \frac{3}{4} \\ 2)3 - \frac{3}{4} = \frac{12}{4} - \frac{3}{4} = \frac{9}{4} = 2 \frac{1}{4}$