equivalent fraction for 20 over 45 = 4/9
.45 as a fraction can be written as 45 over 100, or if simplified, 9 over 20.
45/1000 or 9/200
45/100 = 9/20
45/50 = 9/10
45/100
9 over 20 equals 45 over 100
the fraction would be 95 over 45 simplefied to 19 over 9... the ratios would be 19:9, 19 over 9 (fraction), and 19 to 9
1/5
3/9
39/9
9/10