Add/Subtract Fractions with 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?

Back

Unlike denominators are denominators that are not the same. For example, in the fractions 1/4 and 1/3, the denominators 4 and 3 are unlike.

Tags

CCSS.4.NF.A.2

Front

How do you find a common denominator for fractions?

Back

To find a common denominator, identify the least common multiple (LCM) of the denominators. For example, for 1/4 and 1/6, the LCM is 12.

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

Back

Tags

CCSS.7.NS.A.1C

Front

What is the process to add fractions with unlike denominators?

Back

1. Find a common denominator. 2. Convert each fraction to an equivalent fraction with the common denominator. 3. Add the numerators and keep the common denominator.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

Back

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the simplest form of a fraction?

Back

The simplest form of a fraction is when the numerator and denominator have no common factors other than 1.

Front

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

Back

Front

Back

Tags

CCSS.7.NS.A.1C