Definition of

Common Fraction

Common Fraction
A fraction where both top and bottom numbers are integers.

Example: 1/2 and 3/4 are both Common Fractions.

But 1.2/4 is NOT a Common Fraction.

(Note: sometimes "Common Fraction" is used to mean "not a Decimal Fraction", but Decimal Fractions also have integers at top and bottom, so are really also Common Fractions.)
See: Integer

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