Common Denominators and Equivalent Fractions

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 number that is a common denominator for two or more fractions.

Front

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

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 denominator in a fraction?

Back

The denominator is the number on the bottom of a fraction that indicates how many equal parts the whole is divided into.

Front

What is an equivalent fraction?

Back

An equivalent fraction is a fraction that represents the same value as another fraction, even though the numerator and denominator may be different.

Front

How can you create an equivalent fraction?

Back

You can create an equivalent fraction by multiplying or dividing both the numerator and denominator of a fraction by the same non-zero number.

Front

What is the least common multiple (LCM)?

Back

The least common multiple (LCM) is the smallest multiple that is exactly divisible by two or more numbers.

Front

Find the least common denominator of 1/4 and 1/6.

Back

The least common denominator of 1/4 and 1/6 is 12.

Front

Which of these numbers could NOT be a common denominator for 1/6 and 1/4: 12, 18, 24, 36?

Back

18 could NOT be a common denominator for 1/6 and 1/4.

Front

What is the least common denominator of 2/3 and 1/9?

Back

The least common denominator of 2/3 and 1/9 is 9.