Okay, so first we need to frame this statement to a numerical expression. It will be :- '27 + (-28) / 2 [sum means to add the 2 numbers, i.e, 27 + (-28). Then we should divide the result by 2 according to the question given.)
Now, let's solve it.
Subtract 28 from 27 to get -1.
So, the answer will be <em><u>-</u></em><em><u> </u></em><em><u>1</u></em><em><u>/</u></em><em><u>2</u></em><em><u> </u></em><em><u>in </u></em><em><u>its </u></em><em><u>fractional</u></em><em><u> </u></em><em><u>form</u></em><em><u> </u></em><em><u>or </u></em><em><u>0</u></em><em><u>.</u></em><em><u>5</u></em><em><u> </u></em><em><u>in </u></em><em><u>its </u></em><em><u>decimal</u></em><em><u> form</u></em><em><u>.</u></em>