Convert $\frac{124}{12}$ into a mixed fraction.

The given fraction is $\frac{124}{12}$.

First, we convert the given fraction into its simplest form, $\frac{124}{12}$=$\frac{31}{3}$

To convert the improper fraction $\frac{31}{3}$ to a mixed number, we must divide 31 by 3. 

By dividing, we will get 10 as the quotient, and 1 as the remainder.

Therefore, the answer is $10\frac{1}{3}$.