REALLY IMPOTAN HU

Read the problem to answer questions 2 and 3.
Question 2-
Fair organizers keep data about who attends the fair each year.
Last year, 7/20 of those attending were adult males, and 2/5 were adult females.
The rest were children under 18 years of age.

What fraction of the people who attened the fair last year were adults?

Question 3-
What fraction of the total number of people were children under the age of 18?

PLEASE HEL