(5/9)*(1/6)+(4/9)/6.
(5/9)*(1/6)+(4/9)/6．
<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">(5/9) * (1/6)</gadget>
<output>5/54 = around 0.092593</output>

<gadget id="calculator">4 / 9</gadget>
<output>4/9 = around 0.444444</output>

<gadget id="calculator">(4/9) / 6</gadget>
<output>2/27 = around 0.074074</output>

<gadget id="calculator">(5/54) + (2/27)</gadget>
<output>1/6 = around 0.166667</output>

<result>1/6 = around 0.166667</result>