When dividing 4 by 3, the result as a fraction is 4/3. This fraction is classified as an improper fraction because the numerator (4) is larger than the denominator (3). Improper fractions can also be expressed as a mixed number, which combines a whole number and a fraction. For 4/3 the equivalent mixed number is 11/3 where 1 is the whole number, and 1/3 is the fractional part. Both forms are mathematically correct, with improper fractions often preferred in equations, while mixed numbers are commonly used in everyday contexts for easier interpretation.