Least Common 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 find the least common denominator of two fractions?

Back

To find the LCD, list the multiples of each denominator and identify the smallest multiple that appears in both lists.

Front

Find the least common denominator of \(\frac{1}{4}\) and \(\frac{1}{6}\).

Back

The least common denominator is 12.

Front

Which of these numbers could NOT be a common denominator for \(\frac{2}{4}\) and \(\frac{3}{8}\)? Options: 32, 12, 8, 24

Back

12

Front

Find the least common denominator of \(\frac{2}{3}\) and \(\frac{4}{15}\).

Back

The least common denominator is 15.

Front

What is the least common denominator of \(\frac{5}{12}\) and \(\frac{1}{10}\)?

Back

The least common denominator is 60.

Front

Find the least common denominator of \(\frac{2}{7}\) and \(\frac{2}{21}\).

Back

The least common denominator is 21.

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.

Front

Why is it important to find the least common denominator?

Back

Finding the least common denominator is important for adding, subtracting, or comparing fractions.

Front

What is the least common denominator of \(\frac{1}{7}\) and \(\frac{3}{6}\)?

Back

The least common denominator is 42.