8 per 12 kurang 1 per 4 kurang seperenam sama dengan

8/12-1/4-1/6
=8/12-3/12-2/12
=3/12=1/4

8/12 – 1/4 – 1/6 =
8/12 – 3/12 – 2/12 =
3/12 = 1/4

semoga membantu