8/10 - 3/5 - 1/4 = tolong ya pake caranya gimana ?

8/10 - 3/5 - 1/4
= 16/20 - 12/20 - 5/20
= -1/20

jadiii penyebutnya di samakan dulu
jadi 20
8/10 - 3/5 - 1/4
= 8×2/10×2 - 3×4/5×4 - 1×5/4×5
= 16/20 - 12/20 - 5/20
= 4/20 - 5/20
= -1/20