Question

11:22/31 ????помогите

Answer 1

$11: \frac{22}{31}= \frac{11}{1}* \frac{31}{22}= \frac{31}{2}=15 \frac{1}{2}$

Answer 2

= 1/11 * 22/31 = 1 * 2/31 = 2/31