1/2=0.5=50%1/3=0.333……≈33.3%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=0.1666……≈16.7%5/6=0.8333……≈83.3%1/7=0.142857142857……≈14.3%2/7=0.285714285714……≈28.6%3...