Respuesta :

-5 7/10

How?

13 4/5

8 1/10

you need similar denominators.

13 4/5 x 2 = 13 8/10

13 8/10 + ? = 8 1/10

8 1/10 + 5 7/10 = 13 4/5

(5 7/10 turned negative bc its below sea level and your technically adding.)

MAY BE INCORRECT!

Answer:

5 7/10

Step-by-step explanation:

you would need to subtract 13 4/5 - 8 1/10 t get positive 5 7/10

(i got this right o my test)