How do you convert 80% into a fraction?

To convert 80% into a fraction, start by understanding that "percent" means "per hundred." Therefore, 80% can be expressed as 80/100.

Next, simplify the fraction by finding the greatest common divisor (GCD) of 80 and 100. The GCD is 20 since both numbers can be divided evenly by 20. When you divide both the numerator and the denominator by 20, you get:

80 ÷ 20 = 4
100 ÷ 20 = 5

This simplifies the fraction to 4/5. Therefore, converting 80% to a fraction yields 4/5, which is the correct answer.

This process illustrates how percentages can be transformed into fractions through simplification, reinforcing the concept of ratios and their equivalence in different forms.