Add and Subtract mixed numbers with unlike denominators

Front

What is a mixed number?

Back

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

Tags

CCSS.3.NF.A.3C

Front

What does it mean to have unlike denominators?

Back

Unlike denominators are when the denominators of two or more fractions are different, such as 1/4 and 1/3.

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

Front

How do you add fractions with unlike denominators?

Back

To add fractions with unlike denominators, first find a common denominator, then convert the fractions, and finally add the numerators.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is a common denominator?

Back

A common denominator is a shared multiple of the denominators of two or more fractions.

Front

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

Back

The first step is to find a common denominator.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

When adding fractions, what do you do with the denominators?

Back

You keep the denominators the same after finding a common denominator.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is the result of 1/2 + 1/3?

Back

The result is 5/6 after finding a common denominator of 6.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the result of 2/5 - 1/10?

Back

The result is 3/10 after finding a common denominator of 10.

Tags

CCSS.7.NS.A.1C

Front

What is the importance of equivalent fractions in adding and subtracting?

Back

Equivalent fractions help to find a common denominator by showing different ways to express the same value.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What does it mean to simplify a fraction?

Back

To simplify a fraction means to reduce it to its lowest terms.