fpb dan kpk 120,180,90 pakai cara

120=1,,2,3,4,5,6,8,10, 12,15,20,24,30,60,120
180=1,2,3,4,5,6,9,10,12,15,18,20,30,36,45,60,90, 180
90= 1,2,3,5,6,9,10,15,18,30,45,90.
Maka fpb nya =30

semoga mebantu ya maaf kalo salah