Adding and Subtracting Fractions - Unlike denominators

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 have unlike denominators in fractions?

Back

Unlike denominators are when the denominators (bottom numbers) of two or more fractions are different.

Tags

CCSS.4.NF.B.3A

Front

How do you add fractions with unlike denominators?

Back

To add fractions with unlike denominators, first find a common denominator, convert the fractions, and then 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 number that is a multiple of the denominators of two or more fractions, allowing them to be added or subtracted.

Front

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

Back

The first step is to find a common denominator for the fractions.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

If you have 1/3 and 1/2, what is the common denominator?

Back

The common denominator for 1/3 and 1/2 is 6.

Front

What is the sum of 1/4 and 1/6?

Back

The sum of 1/4 and 1/6 is 5/12.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

How do you convert 1/3 to have a denominator of 6?

Back

To convert 1/3 to have a denominator of 6, multiply both the numerator and denominator by 2, resulting in 2/6.

Tags

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

Front

What is the result of 3/8 + 2/6?

Back

The result of 3/8 + 2/6 is 17/24.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

How do you find the difference between two fractions?

Back

To find the difference, convert the fractions to have a common denominator, then subtract the numerators.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2