What is the largest true fraction with the unit of fraction (1/99)?
分数单位是(1/99)的最大真分数是多少
<gadget id="calculator">99 / 1</gadget>
<output>99</output>

<gadget id="calculator">98 / 99</gadget>
<output>98/99 = around 0.989899</output>

<result>98/99 = around 0.989899</result>