Calculate 14/14 as a Percentage: Fraction Conversion Problem

To solve this problem, we must convert the fraction $\frac{14}{14}$ into a percentage:

• Step 1: Divide the numerator by the denominator: $\frac{14}{14} = 1$.
• Step 2: Convert the decimal 1 into a percentage by multiplying by 100:

$1 \times 100 = 100\%$

Therefore, the fraction $\frac{14}{14}$ expressed as a percentage is 100%.

Hence, the correct choice from the options provided is: 100%.