Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE student (fname VARCHAR, lname VARCHAR, age INTEGER)

### Question ###
Find the first and last name of students whose age is younger than the average age.

### Accurate SQL ###

SELECT fname, lname FROM student WHERE age < (SELECT AVG(age) FROM student)