Identify the Fraction: Finding the Number with Numerator 3 and Denominator 9

Note that that the numerator of the fraction is on top, while the denominator of the fraction is on the bottom.

Now we'll arrange accordingly to obtain:

$\frac{3}{9}$

Then, we'll divide both the numerator and the denominator by 3:

$\frac{3:3}{9:3}=\frac{1}{3}$