5 3/8*2=4 3/11*22=помогите

Question

5 3/8*2=
4 3/11*22=
помогите

Answer 1

5 3/8*2=5*3/4=15/4или3.75
4 3/11*22=4*2*3=16

Answer 2

53/8*2 =3,3125
43/11*22=0,1776859504132231