12 3/4 add 15 1/4 equals
38 the answer to the question because 3/4 plus 1/4 is 4/4 that equals to 1 so 12 plus 15 is 37 plus 1 is 38.
first add 12+15=27 then \(\frac{3}{4} + \frac{1}{4} = \frac{4}{4} =1\)last do 27+1= 28 your answer is 28
