12/3 to a mixed number

The fraction 12/3 as a mixed number is 4

Divide the numerator (12) by the denominator (3): the quotient 4 is the whole part and the remainder 0 is the numerator of the fractional part, over the same denominator. Reduced to lowest terms that gives 4.

Multiply the whole part by the denominator and add the remainder back: 4 × 3 = 12, and 12 + 0 = 12 — exactly the numerator you started with.

12 ÷ 3 = 4.