Solve the Fraction Addition: 1/9 + 2/9 Step-by-Step

To solve this problem, we'll follow these steps:

• Step 1: Identify the common denominator for the fractions $\frac{1}{9}$ and $\frac{2}{9}$.
• Step 2: Add the numerators since the denominators are the same.
• Step 3: Write the sum over the common denominator.

Let's work through each step:

Step 1: Both fractions have a denominator of 9.

Step 2: Add the numerators: $1 + 2 = 3$.

Step 3: Write the result over the common denominator: $\frac{3}{9}$.

Therefore, the solution to the problem is $\frac{3}{9}$, which is choice 1.