Question

scade din trei intregi suma fractilor 2/14 si 5/14 si apoi diferenta fractilor 12/1 si 9/14

Answer 1

(3/1 - 7/14) - (12/1 - 9/14) = (3/1 x 14 - 7/14) - (12/1 x 14 - 9/14) = (42/14 - 7/14 ) - (168/14 - 9/14) = 35/14 - 159/14 = 2,5 - 11,357142 = -8,857142