1/2 =0.5=50% 1/3≈0.333 =33.3% 2/3≈0.667=66.7% 1/4 =0.25=25% 3/4 =0.75=75% 1/5 =0.2=20% 2/5 =0.4=40% 3/5 =0.6=60% 4/5 =0.8=80% 1/6≈0.167=16.7% 5/6≈0.833=83.3% 1/8 =0.125=12.5% 3/8 =0.375=37.5% 5/8 =0.625=62.5% 7/8 =0.875=87.5% 1/9≈0.111=11.1% 1/10 =0.1=10% 1/20=0.05=5%