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.

Tags

CCSS.3.NF.A.3C

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.

Tags

CCSS.7.NS.A.1C

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.

Tags

CCSS.3.NF.A.3C

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.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is the first step in adding mixed numbers?

Back

Convert each mixed number to an improper fraction.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

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.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2