Answer:
more students got an A.
Simplest form of the fraction will be

Explanation:
In the first period of Mr Navarro's class, fraction of students got an A =

In second period class, number of students who got an A =

Now we have to calculate the fraction of more students who got an A in Mr Navarro's first period class =

=

=

Therefore,
more students got an A in Mr Navarro's first period class.
To change this fraction in the simplest form we will divide the numerator and denominator by 2.
