20 /8 in simplest form
\(\frac{20}{8}\\\\divide\ a\ numerator\ and\ a\ denominator\ by\ 4\\\\\frac{20}{8}=\frac{5}{2}=\frac{4+1}{2}=\frac{4}{2}+\frac{1}{2}=2+\frac{1}{2}=2\frac{1}{2}\)