Fractions Review

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What is a mixed number?

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A mixed number is a whole number combined with a proper fraction. For example, 2 1/2 is a mixed number.

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How do you convert an improper fraction to a mixed number?

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To convert an improper fraction to a mixed number, divide the numerator by the denominator. The quotient is the whole number, and the remainder over the original denominator is the fraction.

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How do you add fractions with different denominators?

Back

To add fractions with different denominators, find a common denominator, convert the fractions, and then add the numerators.

Front

What is the least common multiple (LCM)?

Back

The least common multiple (LCM) of two or more numbers is the smallest number that is a multiple of each of the numbers.

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What is the greatest common divisor (GCD)?

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The greatest common divisor (GCD) of two or more numbers is the largest number that divides each of the numbers without leaving a remainder.

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How do you simplify a fraction?

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To simplify a fraction, divide the numerator and the denominator by their greatest common divisor (GCD).

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What is the difference between a proper fraction and an improper fraction?

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