Two brothers draw on a piece of rectangular drawing paper, the older brother draws it (5/9), the younger brother draws it (3/9). How much more did the elder brother draw than the younger brother?
两兄弟在一张长方形画纸上画画，哥哥画了它的(5/9)，弟弟画了它的(3/9)．哥哥比弟弟多画了几分之几？
<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>

<gadget id="calculator">3 / 9</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(5/9) - (1/3)</gadget>
<output>2/9 = around 0.222222</output>

<result>2/9 = around 0.222222</result>