Adding Mixed Numbers with like Denominators

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a fraction, such as 2 \frac{1}{2}.

Tags

CCSS.3.NF.A.3C

Front

How do you add mixed numbers with like denominators?

Back

To add mixed numbers with like denominators, first add the whole numbers, then add the fractions, and simplify if necessary.

Tags

CCSS.4.NF.B.3D

CCSS.4.NF.B.3C

Front

What is the sum of 12 \frac{4}{5} and 3 \frac{1}{5}?

Back

16

Tags

CCSS.4.NF.B.3D

CCSS.4.NF.B.3C

Front

What is the sum of \frac{1}{4} and \frac{2}{4}?

Back

\frac{3}{4}.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is the sum of 3 \frac{1}{5} and 2 \frac{2}{5}?

Back

5 \frac{3}{5}.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is the sum of 12 \frac{1}{3} and 4 \frac{1}{3}?

Back

16 \frac{2}{3}.

Tags

CCSS.4.NF.B.3D

CCSS.4.NF.B.3C

Front

What is the sum of 2 \frac{1}{4} and 2 \frac{2}{4}?

Back

4 \frac{3}{4}.

Tags

CCSS.4.NF.B.3D

CCSS.4.NF.B.3C

Front

What does it mean to simplify a fraction?

Back

To simplify a fraction means to reduce it to its lowest terms, where the numerator and denominator have no common factors.

Front

What is a common denominator?

Back

A common denominator is a shared multiple of the denominators of two or more fractions, used to add or subtract them.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the first step in adding mixed numbers?

Back

The first step is to add the whole numbers together.

Tags

CCSS.7.NS.A.1C