Convert Fraction to Decimal: Solving 2/5 Step by Step

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

• Step 1: Convert the fraction by adjusting its denominator to a base of 100.
• Step 2: Scale the fraction accordingly and compute the equivalent decimal.
• Step 3: Compare to the given choices and confirm the result.

Let's work through these steps:
Step 1: We have the fraction $\frac{2}{5}$. To convert 5 to 100, multiply both the numerator and the denominator by 20, because $5 \times 20 = 100$.

Step 2: Multiply the numerator and denominator to get $\frac{40}{100}$.

Step 3: The fraction $\frac{40}{100}$ can be written as a decimal:
$40$ divided by $100$ is equal to $0.4$.

Therefore, the solution to the problem is 0.4.