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 is written as 'a/b', where 'a' is the numerator (part) and 'b' is the denominator (whole).

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What does it mean to add fractions?

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Adding fractions involves combining the parts represented by the fractions. If the denominators are the same, add the numerators. If they are different, find a common denominator first.

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What does it mean to subtract fractions?

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Subtracting fractions involves taking away the parts represented by the second fraction from the first. If the denominators are the same, subtract the numerators. If they are different, find a common denominator first.

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How do you find a common denominator?

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To find a common denominator, identify the least common multiple (LCM) of the denominators of the fractions you are adding or subtracting.

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

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

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