Turn it into a improper fraction and then multiply both the numerator and denominator together! So like 1 1/2 x 2 1/2 Turn that into improper fractions and get 3/2x5/2 then you get 15/2 which is 7 1/2
convert the mixed number(s) into improper fractions. multiply the improper fractions together and then convert your answer back into a mixed number if needed.