Question

What is the sum?

Express your answer in lowest terms.
http://static.k12.com/bank_packages/files/media/mathml_b5e6d72a1db50ce2b29b92b53765a30ab8a1d8b5_1.gif

Answer 1

Do you know what the LCD is first?

Answer 2

The least common denominator is 16 actually...we would have to change the 3/4 to 12/16 by multiplying the numerator and denominator by 4

Answer 3

Now we have a common denominator...
\[\frac{ 12 }{ 16 } + \frac{ 3 }{ 16 } = ?\]

Answer 4

\[15 \over 16\]

Answer 5

Thats it

Answer 6

Thanks!

Answer 7

no prob

Answer 8

I am gonna post another. So I can give another medal.