A fraction is usually split into two parts: the first part is the number on top, called the numerator; and the second part is the number on the bottom, called the denominator. These are both separated by a line called the “divisor line”. We can use the division method help to solve this question: to get a decimal, simply divide the numerator 13000 by the denominator 111 (which you can enter in any calculator):
13000 (numerator) ÷ 111 (denominator) = 117.12
And finally, you get 117.12 as your answer when you convert 116 124/111 (or 13000/111) to a decimal.