Respuesta :

remember that negative times positive=negative

conver to improper
4 and 1/2=4+1/2=8/2+1/2=9/2
2 and 1/2=2+1/2=4/2+1/2=5/2

-4 and 1/2 times 2 and 1/2=
(-9/2) times (5/2)=
-(9*5)/(2*2)=
-45/4=
-44/4-1/4=
-10-1/4=
-10 and 1/4