\(\dfrac{6}{8}-\dfrac{2}{4}=\dfrac{6}{8}-\dfrac{4}{8}=\dfrac{6-4}{8}=\dfrac{2}{8}=\dfrac{1}{4}\)
\(\dfrac{6}{8}-\dfrac{2}{4}=\dfrac{6}{8}-\dfrac{4}{8}=\dfrac{2}{8}=\dfrac{1}{4}\)
\(\dfrac{6}{8}-\dfrac{2}{4}=\dfrac{3}{4}-\dfrac{2}{4}=\dfrac{3-2}{4}=\dfrac{1}{4}\)