(30 4/5+27,4)*0,9.../( 31,64 -12 6/25)*1,2=?

Question

(30 4/5+27,4)*0,9.../( 31,64 -12 6/25)*1,2=?

Answer 1

Числитель; (30,8+27,4)*0,9=58,2*0,9=52,38
знаменатель: (31,64-12,24)*1,2=19,4*1,2=23,28

52,38:23,28=2,25