5/4-1/2= 2/3-1/9= 5/8-5/12= 5/6+3/4= cara mudah bagaimanaya

5/4-1/2 = 10/8-4/8 =6/8 =3/4
2/3-1/9 = 6/9-1/9 = 5/9
5/8-5/12 = maaf klo ini aku gak bisa
5/6+3/4=10/12+18/12=28/12=14/6=7/3