compound fraction vs complex fraction

compound fraction and complex fraction both are nouns.

Word	Noun	Adjective	Verb	Adverb
compound fraction	Yes	No	No	No
complex fraction	Yes	No	No	No

As nouns, compound fraction and complex fraction are synonyms defined as:

compound fraction and complex fraction: a fraction with fractions in the numerator or denominator

compound fraction (noun)	complex fraction (noun)
a fraction with fractions in the numerator or denominator	a fraction with fractions in the numerator or denominator