The fourth, fifth and sixth grades of a certain school jointly planted a batch of saplings. A total of (5/8) of these saplings were planted in the fourth and fifth grades. A total of (5/6) of these saplings were planted in the fifth and sixth grades. What percentage of the saplings were planted in the fifth grade?
某校四、五、六年级共同栽种一批树苗．四、五年级共栽种了这批树苗的(5/8)．五、六年级共栽种了这批树苗的(5/6)．问五年级栽种了这批树苗的几分之几？
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">1 - (5/8)</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">(5/6) - (3/8)</gadget>
<output>11/24 = around 0.458333</output>

<result>11/24 = around 0.458333</result>