The first step to solving this is to convert the first mixed number into an improper fraction

÷ 11

Now convert the second mixed number into an improper fraction

÷

To divide by a fraction,, you must multiply by the reciprocal of the fraction. This will make the expression look like the following:

×

Reduce the numbers with 45

× 4
Finally,, reduce the numbers with 4 to get your final answer

This means that the correct answer to your expression is

or 12

simplified.
Let me know if you have any further questions
:)