I seem to be having trouble with the following types of problems.
After a bit of thinking I realized that on the first problem, the three and the nine reduce to one and three, giving me an answer of
The problem I was having here was completely forgetting that the 3 and the 9 in the numerator and denominator can be reduced.
In the second problem, it took me the longest time wondering why the answer wasn't written:
and was instead written:
Different ways of writing the same thing? Is one the correct way of writing it, and the other wrong? What I'm getting at here is that I feel I have missed something much more basic when it comes to fractions. I'm not sure where I need to go back to and study. Can someone see what I am missing and suggest something for me to review to bring my skills in this area up to par?