A series of regular numbers are known: (1/2), (3/4), (7/10), (17/24), (41/58), how much, (239/338). Find the rule and fill in the appropriate number in the brackets.
已知一串有规律的数：(1/2)，(3/4)，(7/10)，(17/24)，(41/58)，多少，(239/338)．找规律，在括号里填上适当的数．
<gadget id="calculator">41 + 58</gadget>
<output>99</output>

<gadget id="calculator">99 + 41</gadget>
<output>140</output>

<gadget id="calculator">99 / 140</gadget>
<output>99/140 = around 0.707143</output>

<result>99/140 = around 0.707143</result>