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

How do you add fractions with different denominators?

Back

To add fractions with different denominators, 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 mixed number?

Back

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

Tags

CCSS.3.NF.A.3C

Front

How do you subtract fractions?

Back

To subtract fractions, ensure they have the same denominator, then subtract the numerators.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is the least common denominator (LCD)?

Back

The least common denominator is the smallest multiple that two or more denominators share.

Front

How do you convert a mixed number to an improper fraction?

Back

Multiply the whole number by the denominator, add the numerator, and place the result over the original denominator.

Front

What is the first step in adding mixed numbers?

Back

Convert the mixed numbers to improper fractions before adding.

Tags

CCSS.7.NS.A.1C

Front

What is the result of 3/8 + 4/12?

Back

17/24.

Tags

CCSS.7.NS.A.1C

Front

What is the result of 7/8 - 5/9?

Back

23/72.

Tags

CCSS.7.NS.A.1C

Front

What is the result of 8 1/8 + 3 3/2?

Back

11 19/24.

Tags

CCSS.7.NS.A.1C