What is 45% as a fraction?

• Step 1: The initial step in converting 45% to a fraction is to express 45 as a ratio n/d, where both n and d are positive integers. Given that 45 is a "percent" (meaning "per hundred"), we divide 45 by 100, resulting in: $\frac{45}{100}$
• Step 2: Reduce the fraction. Find the Greatest Common Factor (GCF) of the numerator and denominator and divide both numerator and denominator by the GCF. The GCF of 45, 100 is 5.

$\frac{45}{100} = \frac{9}{20}$