Adding Mixed Numbers

Front

What is a mixed number?

Back

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

Front

How do you add mixed numbers?

Back

To add mixed numbers, first add the whole numbers together, then add the fractions. If the fraction sum is improper, convert it to a mixed number.

Front

What is an improper fraction?

Back

An improper fraction is a fraction where the numerator is greater than or equal to the denominator, such as 9/4.

Front

Convert the improper fraction 13/4 to a mixed number.

Back

3 1/4.

Front

What is the first step in adding mixed numbers?

Back

Convert any improper fractions to mixed numbers if necessary.

Front

What is the least common denominator (LCD)?

Back

The least common denominator is the smallest number that can be used as a common denominator for two or more fractions.

Front

How do you find the least common denominator for 1/3 and 1/4?

Back

The least common denominator is 12.

Front

What is the sum of 2 1/3 and 3 1/4?

Back

The sum is 5 5/12.

Front

What do you do if the sum of the fractions is greater than 1?

Back

Convert the sum to a mixed number and add it to the whole number part.

Front

What is the fraction part of the mixed number 4 2/5?

Back

The fraction part is 2/5.