Answer:
31 /18 or 1.7 2 or 1 13 /18
Explanation:
First, find the common denominator, which is eighteen in this case. Find which factors will get the denominator to 18 .Multiply both the numerator and denominator, by this factor. You get the new equation, 15/18 + 16/18, and then simply add them together to get 31/18, if you would like the decimal form just divide 31, and 18, to get 1.72
Hope this helps!