1 jam = 60 menit 2 jam = 2 x 60 = 120 menit 60 menit = 1 jam 120 menit = 120 : 60 = 2 jam Contoh 1 jam 20 menit = 1 jam = 60 menit 20 menit 60 menit + 20 menit = 80 menit 14 jam + 120 menit = …….jam 14 jam + (120 : 60) 14 jam + 2 jam = 16 jam