In class 51 yesterday, except for 3 people who asked for leave due to illness, the remaining 51 people came to school on time. What percentage of the total number of people in class 5 and 1 came to school on time yesterday?
五1班昨天除了3人因病请假外，其余51人均按时到校上课．五1班昨天按时到校上课的人数占全班人数的几分之几？
<gadget id="calculator">3 + 51</gadget>
<output>54</output>

<gadget id="calculator">51 / 54</gadget>
<output>17/18 = around 0.944444</output>

<result>17/18 = around 0.944444</result>