Step 1: Start with the fraction 5/78.

Step 2: To convert a fraction into a percentage, divide the numerator by the denominator.

5 ÷ 78 = 0.0641

Step 3: Multiply the result by 100 to get the percentage.

0.0641 × 100 = 6.41%

Final Answer: 5/78 as a percentage is 6.41%.