The little frog caught 30 pests, and the mother frog caught 40 pests. What fraction of the number of pests caught by the little frog was the mother frog?
小青蛙捉了30只害虫，青蛙妈妈捉了40只害虫，小青蛙捉的害虫数是青蛙妈妈的几分之几？
<gadget id="calculator">30 / 40</gadget>
<output>3/4 = around 0.75</output>

<result>3/4 = around 0.75</result>