Add Fractions with Unlike Denominators

Front

What is the first step in adding fractions with unlike denominators?

Back

Find a common denominator for the fractions.

Tags

CCSS.7.NS.A.1C

Front

How do you find a common denominator for two fractions?

Back

Identify the least common multiple (LCM) of the denominators.

Front

What is the least common multiple (LCM) of 4 and 8?

Back

The LCM of 4 and 8 is 8.

Front

How do you convert a fraction to have a common denominator?

Back

Multiply the numerator and denominator by the same number to make the denominators equal.

Front

What is 2/4 converted to have a denominator of 8?

Back

2/4 is equivalent to 4/8.

Tags

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

Front

What is the sum of 3/8 and 4/8?

Back

The sum is 7/8.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is the process to add fractions once they have a common denominator?

Back

Add the numerators and keep the common denominator.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is the sum of 5/6 and 1/12?

Back

The sum is 11/12.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

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

Back

Divide the numerator by the denominator; the quotient is the whole number, and the remainder is the new numerator.

Front

What is 13/12 as a mixed number?

Back

13/12 is 1 1/12.