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

Find the least common denominator of \(\frac{7}{9}\) and \(\frac{1}{6}\).

Back

18

Front

Which of these numbers could NOT be a common denominator for \(\frac{1}{6}\) and \(\frac{1}{4}\)? Options: 12, 18, 24, 36

Back

18

Front

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

Back

21

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

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

How do you find the least common denominator?

Back

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

Front

What is the least common multiple (LCM)?

Back

The least common multiple (LCM) is the smallest multiple that two or more numbers share, which is used to find the least common denominator.

Front

Find the least common denominator of \(\frac{3}{4}\) and \(\frac{5}{6}\).

Back

12

Front

What is the relationship between least common multiple and least common denominator?

Back

The least common denominator is the least common multiple of the denominators of the fractions.