Emma has a small garden. Emma's garden is 1/5 beans, 1/8 peas, and 1/2 corn. The rest is planted with flowers. what fraction of Emma's garden is planted with vegetables?

7/40, because you have to change the fractions to where they have the same denominator. The common denominator would be 40. Once you change all the fractions, you add them up to get 33/40. Subtract 40-33 and you get 7.