Answer:
-1/5
Step-by-step explanation:
The first step you do is to find what are the numbers GCF which in this case it is 8
which now with the GCF you divide -8 by 8 and 40 by 8
which -8 divided by 8 is -1
and 40 divided by 8 is 5
so the fraction is -[tex]\frac{1}{5}[/tex]