The screen on lawrence's new phone is 3.15 centimeters long. what mixed number represent the lenght of the phone screen?

A mixed number is written in a form of , where 'a' is a whole number.

One example of mixed number is , read as 'three and one quarter'. As decimal fraction,  equals to 3.25

We are given the value of 3.15 and to change this into a mixed number, first note the whole number, which is 3.

We then change the decimal value 0.15 into a fraction and it is  

Hence, 3.15 =