Adding 5 to the numerator of a fraction can reduce it to (3/4), and subtracting 2 from the denominator can reduce it to (1/2). What is the fraction?
一个分数分子加上5可约简为(3/4)，分母减去2，可约简为(1/2)，这个分数是多少．
<gadget id="calculator">7 / 16</gadget>
<output>7/16 = around 0.4375</output>

<result>7/16 = around 0.4375</result>