sederhanakan pecahan berikut: 2/2-4/5+3/4 dan 4/6+2/3-4/2 ?

2/2 = 1
4/5 = 0,80
3/4= 0.75
= 0,95
karena 4/6= 2/3
maka 4/3-4/2= -2/3

2/2-4/5+3/4 = 2/10+3/4=19/20 4/6+2/3-4/2 =4/3-4/2= -4/6=-2/3