Isabella made 3 statements about fractions.
-Statement 1: 5/1 = 5 since 5 wholes equals 5.
-Statement 2: 3/3 = 1 since the numerator and denominator are both 3.
-Statement 3: 4/6 = 8/6 because I multiplied the numerator by 2 to get 8.
Determine which statement made by Isabella is incorrect and explain why it is not correct.