4/12 as a percentage is 33.33%. This value tells you that the fraction represents about one‑third of a whole.
The fraction 4/12 can be reduced by dividing both numbers by 4, giving the simpler form 1/3. Whether you write it as 4/12, 1/3, or 33.33%, the meaning stays the same: a part of a whole that is roughly one out of three equal pieces.
People often use this kind of percentage when comparing parts to a whole, like measuring a portion of a recipe, a share of a budget, or a score on a test. Knowing that 4/12 equals 33.33% makes it easy to talk about the amount in everyday language.