Question

число -12 прибавить дробь 1/2

Answer 1

-12 + 1/2 = -12*2/2 +1/2 = -24/2 + 1/2 = -23/2 = -11.5

Answer 2

-12 +1/2 = (-12*2 +1)/ 2 = ( -24 +1)/2  = -23/2 = -11  1/2 = -11.5