What does "complex fraction" mean?

Any fraction in which either or both of the numerator or denominator are themselves fractions.

What is a synonym for "complex fraction"?

Common synonyms include: compound fraction.

noun

noun ·Rare ·Advanced level

Noun

1
Any fraction in which either or both of the numerator or denominator are themselves fractions.
2
a fraction with fractions in the numerator or denominator wordnet