18/1 to a mixed number

The fraction 18/1 as a mixed number is 18

Divide the numerator (18) by the denominator (1): the quotient 18 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 18.

Multiply the whole part by the denominator and add the remainder back: 18 × 1 = 18, and 18 + 0 = 18 — exactly the numerator you started with.

18 ÷ 1 = 18.