Hi Nicole,
I'll show you how to simplify this expression by doing a similar problem,
18 h2/3h4
The first thing to notice here is that the numerator and denominator are both divisible by 3 so the expression can be simplified to
6 h2/h4
Now if you think of h2 as h h and h4 as h h h h then you can also see that the numerator and denominator are both divisible by h h. Thus the expression further simplifies to
6/h h = 6/h2
Now try your problem,
Penny
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