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 the denominator in a fraction represent?

Back

The denominator indicates how many equal parts the whole is divided into.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What does the numerator in a fraction represent?

Back

The numerator shows how many parts of the whole are being considered.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

Can you add fractions with different denominators?

Back

No, you cannot add fractions with unlike denominators without finding a common denominator first.

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, allowing them to be added or subtracted.

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 of 4 and 6 is 12, so the common denominator is 12.

Front

What is the first step in adding fractions with different denominators?

Back

The first step is to find a common denominator.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

If you have 1/3 + 1/3, what is the sum?

Back

The sum is 2/3.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What is the sum of 5/12 + 5/12?

Back

The sum is 10/12.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

How do you simplify the fraction 10/12?

Back

You can simplify it to 5/6 by dividing both the numerator and denominator by 2.