Adding and Subtracting fractions and mixed numbers

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 is a mixed number?

Back

A mixed number is a whole number combined with a fraction, such as 2 1/4.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

How do you add fractions with the same denominator?

Back

To add fractions with the same denominator, add the numerators and keep the denominator the same.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

How do you subtract fractions with the same denominator?

Back

To subtract fractions with the same denominator, subtract the numerators and keep the denominator the same.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is an unlike denominator?

Back

Unlike denominators are denominators that are different from each other, such as 1/4 and 1/6.

Tags

CCSS.4.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, used to add or subtract them.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

How do you find a common denominator?

Back

To find a common denominator, identify the least common multiple (LCM) of the denominators.

Front

What is the first step to add or subtract fractions with unlike denominators?

Back

The first step is to find a common denominator.

Tags

CCSS.7.NS.A.1C

Front

What is the result of 3 1/4 - 1 4/5?

Back

1 17/20.

Tags

CCSS.7.NS.A.1C

Front

What is the result of 4/5 - 1/10?

Back

7/10.

Tags

CCSS.7.NS.A.1C