Respuesta :
13 is prime so unless the denominator is a multiple of 13 you cannot simplify this fraction. 28 is not a multiple of 13 so you are done
13/28 is a simple as it gets
13 is prime so unless the denominator is a multiple of 13 you cannot simplify this fraction. 28 is not a multiple of 13 so you are done
13/28 is a simple as it gets