4/6 as a percentage is 66.67%. This is the rounded value you get when you express the fraction as a part of a whole in percent form.
The fraction 4/6 can be simplified to 2/3, which still represents the same portion of a whole. Whether you write it as 4/6 or 2/3, it still means about two‑thirds of something.
Knowing that 4/6 equals 66.67% helps when you need to compare parts of a whole in everyday situations, like figuring out a discount, a test score, or a portion of a recipe. It’s a quick way to see how large that part is on a 100‑point scale.