Respuesta :

Answer:       0.5714

Step-by-step explanation:

Answer:

-4/7

Step-by-step explanation:

Convert any mixed numbers to fractions.

Then your initial equation becomes:

9/7÷−9/4

Applying the fractions formula for division,

=9×4/7×−9

=36/−63

Simplifying 36/-63, the answer is

=−4/7