Respuesta :

seyifunmiolukunle

Answer:

69/8

Step-by-step explanation:

-55/8 + 31/2

The lowest common denominator (LCD) is 8.

(-55 + (8/2)31) / 8

(-55 + 124) / 8

69/8

8 5/8

I'm sorry if you do not understand. This is how I was taught.