Ответ:

\(0.5=\dfrac5{10}=\dfrac12\).

\(0.24=\dfrac{24}{100}=\dfrac6{25}\).

\(0.75=\dfrac{75}{100}=\dfrac34\).

Ответ: \(\frac12;\ \frac6{25};\ \frac34\).