Hi, there.
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In this problem we need to add two fractions together. The first (and main) thing that we should see is: These two fractions have two different denominators! This means we cannot add their numerators together, we need to find the lcm of 4 and 3:
12
What was 4 multiplied by to yield 12? 3, so 3 is what the entire fraction gets multiplied by:
What was 3 multiplied by to yield 12? 4, so 4 is what the entire fraction is multiplied by:
Now we can write these two guys together.
Next, we can add their numerators, since the denominators match.
Hope the answer - and explanation - made sense,
happy studying.