Adding and Subtracting Fractions and Mixed Numbers

Front

What is a fraction?

Back

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What is a mixed number?

Back

Tags

CCSS.3.NF.A.3C

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 the first step in subtracting fractions?

Back

The first step in subtracting fractions is to find a common denominator.

Tags

CCSS.7.NS.A.1C

Front

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

Back

To convert a mixed number to an improper fraction, multiply the whole number by the denominator and add the numerator. Place this result over the original denominator.

Front

What is the least common denominator (LCD)?

Back

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

Front

How do you simplify a fraction?

Back

To simplify a fraction, divide the numerator and the denominator by their greatest common factor (GCF).

Front

Back

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

Back

Tags

CCSS.7.NS.A.1C

Front

How do you find the difference between two mixed numbers?

Back

To find the difference between two mixed numbers, convert them to improper fractions, find a common denominator, subtract, and convert back if necessary.

Tags

CCSS.7.NS.A.1C