Hi welcome to LQ as this is your new post.
I have requested your thread to be moved to Linux-newbie,
this where you should post questions like these.
Take some times to read the rules
and LinuxQuestions.org > LinuxAnswers > How To Ask a Question
(if you have not already)
Anyway, you will have to resize your partitions to increase one of them and decrease the other
(do a backup before because resizing is always risky)
You can update your profile to tell users which distribution you are using
fdisk -l will give you a list of the partitions
try the command