把下面的分数改写成百分数.【除不尽的百分号前面保留一位小数】要过程

1/4=1÷4x100%=25
2/5=2÷5x100%=40%
11/8=11÷8x100%=137.5%
9/20=9÷20x100%=45%
13/10=13÷10x100%=130%
2/3 =2÷3x100%≈66.7%
9/7 =9÷7x100%≈128.6%
4/9=4÷9x100%≈44.4%