Here is a list of fractions.
1845143010258201640 \frac{18}{45} \quad \frac{14}{30} \quad \frac{10}{25} \quad \frac{8}{20} \quad \frac{16}{40} 4518301425102084016One of these fractions is not equivalent to 25\displaystyle \frac{2}{5}52
Write down this fraction.