Adding Fractions Uncommon Denominator

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 the denominator in a fraction represent?

Back

The denominator indicates how many equal parts the whole is divided into.

Front

What does the numerator in a fraction represent?

Back

The numerator shows how many parts of the whole are being considered.

Front

What is an unlike denominator?

Back

Unlike denominators are denominators that are not the same in two or more fractions.

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.

Front

How do you find the least common denominator (LCD) of two fractions?

Back

To find the LCD, list the multiples of each denominator and find the smallest multiple that they share.

Front

What is the least common denominator for 1/3 and 1/4?

Back

The least common denominator is 12.

Front

Can you add fractions with unlike denominators directly?

Back

No, you must first convert them to have a common denominator.

Front

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

Back

Find the least common denominator for the fractions.

Front

If you have 1/2 and 1/3, what is the common denominator?

Back

The common denominator is 6.