设分母为x,分子为y
x+y=100 x=100-y
(x+23)÷(y+32)=2÷3
把x=100-y代入方程(x+23)÷(y+32)=2÷3
(100-y+23)÷(y+32)=2÷3
y=61
x=100-y=100-61=39