Question

8分之3比16分之9 8分之5比0.05 4分之9比2.7

Answer 1

3/8:9/16=3/8*16/9=2/3=2:3

5/8:0.05=5/8*1/20=1/32=1:32

9/4:2.7=9/4:27/10=9/4*10/27=5/6=5:6

200:4=200/4=50:1

1/4:5/6=1/4*6/5=3:10