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like denominators

Denominators in two or more fractions that are the same.

common denominator

A denominator that is the same in two or more fractions.

unlike denominator

Denominators in two or more fractions that are different.

least common multiple (LCM)

The smallest number, other than zero, that is a multiple of two or more numbers.

least common denominator (LCD)

The least common multiple of the denominators of two or more fractions.


To give an approximation for a number to the nearest one, ten, hundred, thousand, and so on.

mixed number

A number that combines a whole number and a fraction.

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