Adding Mixed Numbers with UnLike Denominators Flashcard

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 with unlike denominators?

Back

1. Convert the mixed numbers to improper fractions. 2. Find a common denominator. 3. Add the fractions. 4. Convert back to a mixed number if necessary.

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 8 3/4 to an improper fraction.

Back

8 3/4 = 35/4.

Front

Convert 3 1/4 to an improper fraction.

Back

3 1/4 = 13/4.

Front

What is the sum of 35/4 and 13/4?

Back

The sum is 48/4, which simplifies to 12.

Front

What is the first step in adding mixed numbers?

Back

Convert each mixed number to an improper fraction.

Front

What is the common denominator of 1/2 and 1/4?

Back

The common denominator is 4.

Front

How do you convert 6 1/2 to an improper fraction?

Back

6 1/2 = 13/2.

Front

What is the sum of 13/2 and 19/4?

Back

The sum is 25/4, which simplifies to 6 1/4.