Solve the equation (3/4)x*(15/14)=(5/21).
解方程(3/4)x*(15/14)=(5/21)．
<gadget id="calculator">5 / 21</gadget>
<output>5/21 = around 0.238095</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">15 / 14</gadget>
<output>15/14 = around 1.071429</output>

<gadget id="calculator">(3/4) * (15/14)</gadget>
<output>45/56 = around 0.803571</output>

<gadget id="calculator">(5/21) / (45/56)</gadget>
<output>8/27 = around 0.296296</output>

<result>8/27 = around 0.296296</result>