What is 4.6 as a mixed number in simplest form?

Well, darling, 4.6 as a mixed number in simplest form is 4 and 3/5. You simply take the whole number part, which is 4, and the decimal part, 0.6, and convert it to a fraction, which simplifies to 3/5. Voila, you've got yourself a mixed number in simplest form.