Solve the Fraction Addition: 4/10 + 4/10 Step-by-Step

To solve this problem, let us proceed with the following steps:

• Step 1: Identify the given fractions. We have two fractions: $\frac{4}{10}$ and $\frac{4}{10}$.
• Step 2: Recognize that both fractions have the same denominator, which makes the addition straightforward.
• Step 3: Add only their numerators while keeping the common denominator. Therefore, $4 + 4 = 8$.
• Step 4: Write the result with the calculated numerator and common denominator, obtaining $\frac{8}{10}$.

Based on our calculations, the sum of these fractions is $\frac{8}{10}$.

This answer matches choice 3 in the options provided.