2 11/12 divided by (-4 1/5)

-0.69444 or about - 0.69 or as a fraction it would be - 25/36

Step-by-step explanation:

You can change 2 11/12 to and improper fraction, 35/12. You can also change - 4 1/5 to an improper fraction, - 21/5. Then you need to flip - 21/5 to - 5/21. You can work it out to get an improper fraction, to then follow and get - 25/36 or - 0.69.