Here is a list of fractions.
691015122016242030 \frac{6}{9} \quad \frac{10}{15} \quad \frac{12}{20} \quad \frac{16}{24} \quad \frac{20}{30} 961510201224163020One of these fractions is not equivalent to 23\displaystyle \frac{2}{3}32
Write down this fraction.