Question

Помогите с примерами:
4 3/7:1/7-1 5/6*3=
(-48+32)-20=

Answer 1

4 3/7:1/7-1 5/6*3=31/7*7/1-11/6*3=31-11/2=31-5,5=25,5

(-48+32)-20=-16-20=-36