Final answer:
To express 20% as a fraction, you can write it as 1/5.
Step-by-step explanation:
To express 20% as a fraction, you can use the fact that percentages are numerators over 100. Since 20% represents 20 out of 100, the fraction equivalent is 20/100. However, this fraction can be simplified by dividing the numerator and denominator by their greatest common divisor, which in this case is 20. Simplifying the fraction results in 1/5.
Learn more about expressing a percentage as a fraction