Adding Fractions

Front

What is a fraction?

Back

A fraction represents a part of a whole and consists of a numerator (top number) and a denominator (bottom number).

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What does it mean to add fractions?

Back

Adding fractions involves combining two or more fractions to find a total or sum.

Tags

CCSS.4.NF.B.3A

Front

What is a common denominator?

Back

A common denominator is a shared multiple of the denominators of two or more fractions, allowing them to be added together.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

Can you add fractions with different denominators directly?

Back

No, you cannot add fractions with different denominators directly; you must first find a common denominator.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

How do you find a common denominator for 1/4 and 1/6?

Back

The least common multiple (LCM) of 4 and 6 is 12, so the common denominator is 12.

Front

What is the first step in adding 2/3 and 1/4?

Back

The first step is to find a common denominator.

Tags

CCSS.7.NS.A.1C

Front

What is 1/2 + 1/3?

Back

5/6 (after finding a common denominator of 6).

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is 2/5 + 1/10?

Back

3/10 (after finding a common denominator of 10).

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the sum of 3/8 and 1/4?

Back

5/8 (after converting 1/4 to 2/8).

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is 1/9 + 2/27?

Back

5/27 (after finding a common denominator of 27).

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2