SQL & PL/SQL

I have table called test123

col1	col2
ABC	10,0000070,30
XYZ	59.9,0000000.1

I want to remove the leading zeros from the col2 values.

I run the following query to get the below o/p...and i did nt get the reqd. o/p

select to_char(trim(leading 0 from col2)) from test123

col1	col2
ABC	10,70,30
XYZ	59.9,0.1

Can you pls help me with this

Thanks in advance