Adding and subtracting Fractions

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What is a fraction?

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

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How do you add fractions with different denominators?

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

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What is the least common denominator (LCD)?

Back

The least common denominator is the smallest multiple that two or more denominators share.

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How do you subtract fractions?

Back

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

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What is an improper fraction?

Back

An improper fraction is a fraction where the numerator is greater than or equal to the denominator.

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What is a mixed number?

Back

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

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

Back

Multiply the whole number by the denominator, add the numerator, and place the result over the original denominator.

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