Adding and Subtracting Fractions w/ Unlike & Like 2

Front

What is a fraction?

Back

Front

What is a common denominator?

Back

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

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Back

The least common multiple (LCM) of 9 and 6 is 18, so 18 is a good common denominator.

Front

What are equivalent fractions?

Back

Front

How can you determine if two fractions are equivalent?

Back

Front

What is the first step in adding fractions with unlike denominators?

Back

Find a common denominator for the fractions before adding them.

Front

What is the process for subtracting fractions?

Back

1. Find a common denominator. 2. Convert the fractions. 3. Subtract the numerators and keep the common denominator.

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Back

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Front

What is the simplest form of a fraction?

Back

The simplest form of a fraction is when the numerator and denominator have no common factors other than 1.