tolong saya pake cara

1.8/10=4/5
2.25/100=1/4
3.375/1000=15/40=3/8

0,8=8/10=4/5
0,25=25/100=5/20=1/4
0,375=375/1000=75/200=15/40=3/8
Klo salah minta maaf ya...