Question

Beven has a collection of 72 music CDs. One-sixth of the CDs are dance music 1/4 are hip hop, and 3/8 are reggae. The rest of the CDs are rock music. What fraction of her CDs are rock music?

Answer 1

1-1/4-3/8

=1-2/8+3/8

=1-5/8

=3/8