Complex sentence: Razer was a prominent broadcaster on national Australian youth radio station Triple J from 1990 to 1998, and was partnered for most of this time with comedian Mikey Robins on the breakfast program.
Split into simpler sentences: Razer was a prominent radio broadcaster on national Australian youth station Triple J from 1990 to 1998. She was partnered for most of this time with comedian Mikey Robins on the breakfast program.