Question

(-5/12-7/30):13/15 = помогите решить.

Answer 1

$- \frac{13}{20} : \frac{13}{15} =- \frac{13}{20} * \frac{15}{13} =- \frac{15}{20} =- \frac{3}{4} = - 0,75$$- \frac{5}{12} - \frac{7}{30} = - \frac{25}{60} + \frac{14}{60} =- \frac{39}{60} =- \frac{13}{20} =-0,65$