Xiao Ming ate the cake (1/6), and Xiao Hong ate the cake (3/8). What fraction of the cake did the two eat together?
小明吃了蛋糕的(1/6)，小红吃了蛋糕的(3/8)．两人共吃了这块蛋糕的几分之几？
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">(1/6) + (3/8)</gadget>
<output>13/24 = around 0.541667</output>

<result>13/24 = around 0.541667</result>