3,2-7,8-5,4+4,6= 16-29+14-48= -4,28-1,,85)+(-9,06)= -5 3/8+4 5/ 1/4)=

-3,2-7,8-5,4+4,6=-11,8
16-29+14-48=-47
-4,28-1,53-(-7,85)+(-9,06)=-7.02
-5 3/8+4 5/6-(-2 1/4)=-43/8+29/6+9/4=
=-129/24+116/24+54/24=-13/24+54/24=41/24=
=1 17/24