What are the simplest fractions that are larger than (2/3), smaller than 8, and have a denominator of 6?
比(2/3)大，比8小，分母是6的最简分数有多少．
<gadget id="calculator">48 - 4 - 1</gadget>
<output>43</output>

<gadget id="calculator">43 - 21 - 7</gadget>
<output>15</output>

<result>15</result>