Calculation: (5/12)-((7/8)-(5/9))
计算：(5/12)-((7/8)-(5/9))
<gadget id="calculator">5 / 12</gadget>
<output>5/12 = around 0.416667</output>

<gadget id="calculator">7 / 8</gadget>
<output>7/8 = around 0.875</output>

<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>

<gadget id="calculator">(7/8) - (5/9)</gadget>
<output>23/72 = around 0.319444</output>

<gadget id="calculator">(5/12) - (23/72)</gadget>
<output>7/72 = around 0.097222</output>

<result>7/72 = around 0.097222</result>