A class consists of 1/4 ​freshmen, 3/8 ​sophomores, and 1/8 ​juniors; the rest are seniors. What fraction of the class is​ seniors?

Answer 1

1/4 are seniors

1- 1/4 -3/8 -1/8

= 1- 1/4 - 4/8

= 1 - 1/4 -1/2

= 1 - 3/4

= 1/4