Complex sentence: In the Incan Empire, the age of marriage differed for men and women; men typically married at the age of 20, while women usually got married around 4 years earlier at the age of 16.
Split into simpler sentences: In the Incan Empire, the age of marriage differed for men and women. Men typically married at the age of 20, while women usually got married around 4 years earlier at the age of 16.