Multiply both numerators and denominators. Result fraction keep to lowest possible denominator GCD(28, 5) = 1. In the following intermediate step, it cannot further simplify the fraction result by canceling.
In other words - four fifths multiplied by seven = twenty-eight fifths.
EDGE2021!! since the actual probability is smaller than .05, we have evidence against the acting school claiming that 71% of its graduates land major acting roles within one year of graduation.