If 1/a + 3/a + 4/a is an integer, which of the following must also be an integer? Choose the correct choice from the following answers
A) 12/a
B) 3/a
C) 8/a
D) 9/a
E) 15/a
1/a + 3/a + 4/a   =8/a   Answer 8/a
<result>C</result>
If 1/a + 3/a + 4/a is an integer, which of the following must also be an integer?