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decimal fraction

Overview page. Subjects: Mathematics.

A fraction expressed by using decimal representation, as opposed to a vulgar fraction. For example, ¾ is a vulgar fraction; 0.75 is a decimal fraction.

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least common denominator

Overview page. Subjects: Mathematics.

=least common multiple of the denominators. Used in adding numerical or algebraic fractions efficiently. So is simpler than using 96 as the common denominator for the equivalent fractions.

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simple fraction

Overview page. Subjects: Mathematics.

A fraction in which the numerator and denominator are positive integers, as opposed to a compound fraction.

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vulgar fraction

Overview page. Subjects: Mathematics.

A fraction written as *a*/*b* where *a* and *b* are positive integers, as opposed to a decimal fraction. For example, 0.75 is a decimal fraction; 3 4 is a vulgar fraction.