Adding and Subtracting Fractions

Front

What is a fraction?

Back

Front

What does the numerator in a fraction represent?

Back

The numerator is the top number of a fraction and represents how many parts of the whole are being considered.

Front

What does the denominator in a fraction represent?

Back

The denominator is the bottom number of a fraction and indicates the total number of equal parts the whole is divided into.

Front

How do you add fractions with the same denominator?

Back

Front

How do you subtract fractions with the same denominator?

Back

Front

What must you have to add or subtract fractions?

Back

You must have common denominators to add or subtract fractions.

Front

How do you find a common denominator for two fractions?

Back

To find a common denominator, determine the least common multiple (LCM) of the two denominators.

Front

What is the first step to add fractions with different denominators?

Back

The first step is to find a common denominator for the fractions.

Front

How do you convert fractions to have a common denominator?

Back

Multiply the numerator and denominator of each fraction by the necessary factor to reach the common denominator.

Front

Back