Adding Unlike Fractions

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).

Front

What does it mean to add unlike fractions?

Back

Adding unlike fractions means combining fractions that have different denominators.

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 compared.

Front

How do you find a common denominator for 1/2 and 1/3?

Back

The least common multiple of 2 and 3 is 6, so the common denominator is 6.

Front

Convert 1/2 and 1/3 to have a common denominator of 6.

Back

1/2 = 3/6 and 1/3 = 2/6.

Front

What is the first step in adding unlike fractions?

Back

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

Front

If you have 1/4 and 1/6, what is a common denominator?

Back

A common denominator for 1/4 and 1/6 is 12.

Front

Convert 1/4 and 1/6 to have a common denominator of 12.

Back

1/4 = 3/12 and 1/6 = 2/12.

Front

What do you do after finding a common denominator?

Back

After finding a common denominator, convert the fractions and then add the numerators.

Front

If you add 3/12 and 2/12, what do you get?

Back

3/12 + 2/12 = 5/12.