Adding and Subtracting Fractions and Mixed Numbers

Front

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 is a mixed number?

Back

A mixed number is a whole number combined with a proper fraction, such as 2 1/2.

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How do you add fractions with unlike denominators?

Back

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

Front

What is a common denominator?

Back

A common denominator is a shared multiple of the denominators of two or more fractions, allowing them to be added or subtracted.

Front

What is the first step in subtracting mixed numbers?

Back

Convert the mixed numbers to improper fractions before performing the subtraction.

Front

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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What do you need to have when adding unlike fractions?

Back

You need a common denominator.

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