(pakai cara) 5/2 + 6/8 - 4/5

5/2 + 6/8 - 4/5
= 100/40 + 30/40 - 32/40
= 98/40
= 2 18/40
= 2 9/20

5/2 + 6/8 -4/5
= 5/2 + 3/4 - 4/5
samakan penyebut jadkan 20
5(10)/20 + 3(5)/20 - 4(4)/20
50/20+15/20-16/20
= 49/20

maaf kalo salah