divided vs divided up

divided and divided up both are adjectives.

Word	Noun	Adjective	Verb	Adverb
divided	No	Yes	No	No
divided up	No	Yes	No	No

As adjectives, divided and divided up are synonyms defined as:

divided and divided up: distributed in portions (often equal) on the basis of a plan or purpose

Other synonyms of divided include shared, shared out.

divided (adjective)	divided up (adjective)
separated into parts or pieces	distributed in portions (often equal) on the basis of a plan or purpose
distributed in portions (often equal) on the basis of a plan or purpose
having a median strip or island between lanes of traffic moving in opposite directions