To write a percent as a fraction in lowest terms, first remember that a percent is a ratio that compares a number to 100. In this case, 84% can be written as the ratio 84 to 100 or
. Notice however that
is not in lowest terms. So, we need to divide the numerator and the denominator by 4 which gives us
.
Therefore, 84% can be written as the fraction
, which is in lowest terms.