Respuesta :

You would have to make the numbers have the same denominator. So you would have -15/20 + 4/20
Then you would have to put the sign of the higher number on it, So you would have -15/20 + 4/20 = -11/20

Answer:

-11/20

Step-by-step explanation:

-3/4+1/5=-15/20+4/20

            =-11/20