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 5136 by the denominator 1555 (which you can enter in any calculator):
5136 (numerator) ÷ 1555 (denominator) = 3.3
And finally, you get 3.3 as your answer when you convert 5136/1555 to a decimal.