Question

A class has 21 children, 10 are girls and 11 are boys. what fraction of the class is made up of boys?

Answer 1

A class has 21 children, 10 are girls and 11 are boys. what fraction of the class is made up of boys?​

Let

x -----> number of boys

y -----> total number of children

we have that

x=11 -----> given

y=21 ----> given

therefore

The fraction of the class that is made up of boys is equal to

x/y

substitute

11/21