If 3/a + 4/a + 5/a is an integer, which of the following must also be an integer?  Choose the correct option.
A) 12/a  B) 3/a  C) 6/a  D) 9/a  E) 15/a
3/a + 4/a + 5/a   =12/a   12/answer 12/a
<result>A</result>
If 3/a + 4/a + 5/a is an integer, which of the following must also be an integer?