The numerators of the two simplest fractions of A and B are the same, and the ratio of the denominators is 3:2. If the sum of A and B is (25/12), what is the number of A?
甲乙两个最简分数的分子相同，分母的比是3：2．若甲乙之和是(25/12)，则甲数是多少．
<gadget id="calculator">25 / 12</gadget>
<output>25/12 = around 2.083333</output>

<gadget id="calculator">3 + 2</gadget>
<output>5</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">(25/12) * (3/5)</gadget>
<output>5/4 = around 1.25</output>

<result>5/4 = around 1.25</result>