For a distance, A spent 15 minutes and B took 18 minutes. The ratio of the distance traveled by B and A per minute is ((())/(())).
一段路程，甲用了15分，乙用了18分，乙与甲每分所走的路程比是((())/(()))．
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<result>5/6 = around 0.833333</result>