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, 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

How do you convert an improper fraction to a mixed number?

Back

Divide the numerator by the denominator. The quotient is the whole number, and the remainder over the denominator is the fraction.

Front

What is the first step in adding mixed numbers?

Back

The first step is to add the whole numbers together.

Front

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

Back

If the sum of the fractions is greater than 1, convert it to a mixed number and add it to the whole number sum.

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?

Back

To find the least common denominator, list the multiples of each denominator and find the smallest multiple they share.

Front

What is the process of reducing a fraction?

Back

Reducing a fraction means simplifying it to its lowest terms by dividing the numerator and denominator by their greatest common factor.

Front

What is a common mistake when adding mixed numbers?

Back

A common mistake is forgetting to convert improper fractions back to mixed numbers after adding.