请将二进制数(10111.11)2转换为对应的十进制数，请写出转换过程

(10111)2 =(((((0*2+1)*2+0)*2+1)*2+1)*2+1)10 =((((1*2+0)*2+1)*2+1)*2+1)10 =(((2*2+1)*2+1)*2+1)10 =((5*2+1)*2+1)10 =(11*2+1)10 =(23)10 (0.11)2 =((1/2+1)/2)10 =((0.5+1)/2)10 =(1.5/2)10 =(0.75)10 (10111.11)2=(23.75)10