(1/13 - 2 3/4) * 26

Question

(1/13 - 2 3/4) * 26

Answer 1

=(1/13*26/1)-(11/2*26/1)=сокращает первое на 13 второе на 2 ==2/1-143/2=4/2-143/2=-139/2=-69 1/2=-69.5