A class consist of 2/5 freshman,1/4 sophomores, and 1/10 juniors; the rest are seniors. What fraction of class are seniors?

3 answers

2/5 + 1/4 + 1/10
8/20 + 5/20 + 2/20 = 15/20 = 3/4

4/4 - 3/4 = ?
so would it be 1/4
Yes.