Subject Time spent (hours) Math \dfrac{3}{4} 4 3 start fraction, 3, divided by, 4, end fraction Reading \dfrac{7}{8} 8 7 start fraction, 7, divided by, 8, end fraction Writing \dfrac{3}{6} 6 3 start fraction, 3, divided by, 6, end fraction Science \dfrac{5}{10} 10 5 start fraction, 5, divided by, 10, end fraction On which activities did Katie spend more than \dfrac{2}{3} 3 2 start fraction, 2, divided by, 3, end fraction hour?