Consecutive numbers differ by one. So, if
is the first, the three numbers are

The sum of the first and third integer is

Answer:
the answer is 1
because 1 is not multiple in our self
2.08. If you want to round, then it will be 2.09.
Hope this helps! ;)
They can help you find a common denominator by the bottoms of each fraction if the top ones don't have the same denominator.