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 69 by the denominator 11 (which you can enter in any calculator):
69 (numerator) ÷ 11 (denominator) = 6.27
And finally, you get 6.27 as your answer when you convert 1 58/11 (or 69/11) to a decimal.