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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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.

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What is the first step in subtracting fractions?

Back

The first step in subtracting fractions is to ensure they have a common denominator.

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What is a common denominator?

Back

A common denominator is a shared multiple of the denominators of two or more fractions.

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How do you simplify a fraction?

Back

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

Front

What is the greatest common divisor (GCD)?

Back

The GCD is the largest number that divides both the numerator and the denominator without leaving a remainder.

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