There are 25 small monkeys and 40 big monkeys in the zoo. What fraction of the total number of monkeys are small monkeys?
动物园有25只小猴，40只大猴，小猴的只数占猴子总数的几分之几？
<gadget id="calculator">25 + 40</gadget>
<output>65</output>

<gadget id="calculator">25 / 65</gadget>
<output>5/13 = around 0.384615</output>

<result>5/13 = around 0.384615</result>