How to shrink the partition Look at the features. It can resize partitions.

or use the command:

yum install gparted
after that the gparted comes under Applications>System Tools>Gparted Partition Editor

GParted as mentioned.

If you want to resize the / partition, you need to do it from another system as it's not safe to resize a mounted file system. I can't remember whether GParted is on the Fedora live CD, but if not, there is a GParted live CD you can download.