12/28 = 3/7
n^2/n^4 = n^-2
m^4/m^3 = m^1 = m
so
3 n^-2 m
or
3 m
-----
n^2
Simplify.
12n^2m^4
________
28n^4m^3
thank you!
3 answers
Thank you!
You are welcome :)