Adding and Subtracting Fractions with unlike Denom.

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

Tags

CCSS.4.NF.A.2

Front

How do you find the least common denominator (LCD) of two fractions?

Back

To find the LCD, identify the least common multiple (LCM) of the denominators. For example, the LCD of 4 and 6 is 12.

Front

What is the LCM of 2, 4, and 6?

Back

The LCM of 2, 4, and 6 is 12.

Front

How do you add fractions with unlike denominators?

Back

To add fractions with unlike denominators, first find the least common denominator, convert each fraction to an equivalent fraction with the LCD, 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 with unlike denominators?

Back

The first step is to find the least common denominator (LCD) of the fractions.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

Back

Tags

CCSS.7.NS.A.1C

Front

Back

Tags

CCSS.7.NS.A.1C

Front

How do you convert mixed numbers to improper fractions?

Back

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

Front

Back

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2