Răspuns :
x+7/4=25/6
x=25/6-7/4
x=(50-21)/12
x=29/12
x=2intreg5/12
x=25/6-7/4
x=(50-21)/12
x=29/12
x=2intreg5/12
Avem n + 7/4 = 25/6 => n=25/6 - 7/4 => n = (25x4-7x6)/24 => n=(100-42)/24 =>n=58/24 =29/12 =2,41(6)