2,9+(-6,3)= 3,8-6,3= -6,7+6,7= 8,5-(-4,6)= -8/15- 5/6= -1 1/6+(-2 3/8)=

Question

2,9+(-6,3)=
3,8-6,3=
-6,7+6,7=
8,5-(-4,6)=
-8/15- 5/6=
-1 1/6+(-2 3/8)=

Answer 1

2,9-6,3=-3,4
3,8-6,3=-2,5
-6,7+6,7=0
8,5-(-4,6)=8,5+4,6=13,1
-8*2/15*2- -5*5/6*5=-16/30- 25/30=-41/30=-1 11/30
-1 1/6+(-2 3/8)=-7/6-19/8=-28-57/24=-85/24=-3 13/24