12/34 as a percentage is 35.29%. This value tells you how much of a whole the fraction represents when we talk in terms of percent. It’s a quick way to compare sizes without using fractions.
The fraction 12/34 can be reduced to 6/17, which still represents the same portion of a whole. Whether you write it as 12/34, 6/17, or 35.29%, the meaning stays the same: a little over one‑third of the whole.
Percentages like 35.29% are useful in everyday situations—budgeting, grades, or sports statistics—because they give a clear picture of a part relative to 100. They let you see at a glance how large or small a piece is compared to the entire set.