Since the greatest common factor of 312 and 99 is 3, we can simplify the fraction and show the same amount
312
99
=
312 ÷ 3
99 ÷ 3
=
104
33
Therefore, 104/33 is simplified fraction of 3.15 repeating. Since this is an improper fraction, converted to mixed number is:
104
33
= 3
5
33