Add and Subtract Fractions

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What is a fraction?

Back

A fraction represents a part of a whole and consists of a numerator (top number) and a denominator (bottom number).

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What does it mean to add fractions with different denominators?

Back

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

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How do you find a common denominator for two fractions?

Back

The common denominator is the least common multiple (LCM) of the denominators of the fractions.

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What is the process for subtracting fractions?

Back

To subtract fractions, ensure they have a common denominator, then subtract the numerators and keep the denominator the same.

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Front

What is the definition of a mixed number?

Back

A mixed number is a whole number combined with a proper fraction.