Subtract the same integer from both the numerator and denominator of (73/136), and the fraction obtained is (2/9) after reduction. Find the subtracted number.
把(73/136)的分子和分母都减去同一个整数，所得的分数约分后是(2/9)，求减去的数．
<gadget id="calculator">2 / 9</gadget>
<output>2/9 = around 0.222222</output>

<gadget id="calculator">(2/9) * 136</gadget>
<output>272/9 = around 30.222222</output>

<gadget id="calculator">73 - (272/9)</gadget>
<output>385/9 = around 42.777778</output>

<gadget id="calculator">1 - (2/9)</gadget>
<output>7/9 = around 0.777778</output>

<gadget id="calculator">(385/9) / (7/9)</gadget>
<output>55</output>

<result>55</result>