48 : 2 = 24 - доп.множ. к 3/2 = (3*24)/(2*24) = 72/48
48 : 3 = 16 - доп.множ. к 1/3 = (1*16)/(3*16) = 16/48
48 : 4 = 12 - доп.множ. к 3/4 = (3*12)/(4*12) = 36/48
48 : 6 = 8 - доп.множ. к 5/6 = (5*8)/(6*8) = 40/48
48 : 8 = 6 - доп.множ. к 9/8 = (9*6)/(8*6) = 54/48
48 : 12 = 4 - допм.нож. к 7/12 = (7*4)/(12*4) = 28/48