Determine sun or difference

-3 1/3 + 2 2/5

-14/15

Step-by-step explanation:

First, you want to turn each mixed number into an improper fraction. So you get - 10/3 + 12/5. Then you want to get the same denominator, and the LCD happens to be 15. You get - 50/15 + 36/15. Addition is commutative, so you can do something like this: 36/15 - 50/15. You can do 36-50=-14, and then add the denominator to get - 14/15.