-7,2-1,6 _____ -1 целая 3/4-(+9/20)

Question

-7,2-1,6
_____
-1 целая 3/4-(+9/20)

Answer 1

-7,2-1,6=-7,2+(-1,6)=-8,8
-1 3/4-(-9/20)=-1 3/4+9/20=-1 15/20+9/20=-1 3/10