Respuesta :

It is A because 13/13 (=1) and 13/13 - 8/13 = 5/13

Hope this helped :)

Answer: 5/13

Do Keep Change Change (KCC)

Keep: 1/1

Change - into +

Change: 8/13 into -8/13

Remove

1/1 it becomes 13/13

Your new Problem: 13/13+-8/13

Add

13+-8/13=5/13