Finding Common Denominators

Front

What is a common denominator?

Back

A common denominator is a number that can be used as a denominator for two or more fractions, allowing them to be compared or added together.

Front

What is the least common denominator (LCD)?

Back

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

Front

How do you find the least common denominator for \( \frac{5}{9} \) and \( \frac{2}{4} \)?

Back

The least common denominator is 18.

Front

How do you find the least common denominator for \( \frac{5}{7} \) and \( \frac{1}{3} \)?

Back

The least common denominator is 21.

Front

How do you find the least common denominator for \( \frac{4}{11} \) and \( \frac{2}{3} \)?

Back

The least common denominator is 33.

Front

How do you find the least common denominator for \( \frac{3}{4} \) and \( \frac{5}{6} \)?

Back

The least common denominator is 12.

Front

How do you find the least common denominator for \( \frac{3}{8} \) and \( \frac{1}{6} \)?

Back

The least common denominator is 24.

Front

What is the first step in finding the least common denominator?

Back

List the multiples of each denominator.

Front

What is the second step in finding the least common denominator?

Back

Identify the common multiples from the lists.

Front

What is the third step in finding the least common denominator?

Back

Select the smallest common multiple as the least common denominator.