Reggie is making doll clothes for his little sister. He has 3 yards of fabric.If each dress uses 3/8 yard of fabric how many dresses can he make?

To find the number of dresses Reggie can make, divide the total fabric by the fabric needed per dress: 3 yards / (3/8 yard/dress) = 3 / (3/8) = <<3/(3/8)=8>>8 dresses. Answer: \boxed{8}.