How do you write 18.75 in a fraction?

To write 18.75 as a fraction, first note that the number after the decimal point is in the hundredths place. Since 75 is 75 hundredths, we can express it as 75/100. Next, we simplify the fraction by dividing both the numerator and denominator by the greatest common factor, which is 25 in this case. Therefore, 18.75 can be written as 18 75/100, which simplifies to 18 3/4 in lowest terms.