(8/17)/19+(1/19)*(9/17).
(8/17)/19+(1/19)*(9/17)．
<gadget id="calculator">8 / 17</gadget>
<output>8/17 = around 0.470588</output>

<gadget id="calculator">1 / 19</gadget>
<output>1/19 = around 0.052632</output>

<gadget id="calculator">(8/17) * (1/19)</gadget>
<output>8/323 = around 0.024768</output>

<gadget id="calculator">9 / 17</gadget>
<output>9/17 = around 0.529412</output>

<gadget id="calculator">(1/19) * (9/17)</gadget>
<output>9/323 = around 0.027864</output>

<gadget id="calculator">(8/323) + (9/323)</gadget>
<output>1/19 = around 0.052632</output>

<result>1/19 = around 0.052632</result>