1. The problem is to evaluate the expression $\frac{1}{5}$.\n\n2. This is a simple fraction representing one part of five equal parts.\n\n3. The fraction $\frac{1}{5}$ can be converted to a decimal by dividing 1 by 5.\n\n4. Perform the division: $$1 \div 5 = 0.2$$\n\n5. Therefore, the value of $\frac{1}{5}$ is $0.2$.