2/4-1/4 (simplyfi)
\(\begin{array}{lcl} \frac24-\frac14 \\ &=& 2\cdot \frac14-\frac14 \\ &=& \frac14+\frac14-\frac14 \\ &=& \frac14 \\ \end{array}\)
2/4-1/4 (simplyfi)=1/4