Question

The ratio of boys to girls in a class is 4:5
what fraction of the class are boys?

Answer 1

boys=4/9

girls=5/9

(hope this helps!!)

Answer 2

Boys = 4/9
Girls = 5/9
Explanation:
You add the ratio parts to find what the fraction is over.
5 + 4 = 9
Then you just need to know which part is boys and which is girls.
Boys to Girls = 4:5
Therefore Boys = 4/9 and Girls = 5/9.