write a model to represent the addition problem. then determine the solution. -3 1/2 + (-1 1/4) pls

Answer 1

when you add a negative nuber to something you make it less
-3 1/2 - 1 1/4
= - 3 2/4 - 1 1/4
= -4 3/4
or use decimals
-3.5 - 1.25 = - 4.75