To convert the fraction \( \frac{1}{3} \) into a decimal, you can divide 1 by 3.
When you do the division:
1 ÷ 3 = 0.333...
The decimal representation of \( \frac{1}{3} \) is 0.333..., which is a repeating decimal. This can also be written as \( 0.\overline{3} \) to indicate that the 3 repeats indefinitely.
So, \( \frac{1}{3} \) as a decimal is \( 0.333... \) or \( 0.\overline{3} \).