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

Front

How do you find the least common denominator of 1/7 and 3/6?

Back

The least common denominator of 1/7 and 3/6 is 42.

Front

In the fraction 7/12, what is the denominator?

Back

The denominator is 12.

Front

Which number could NOT be a common denominator for 2/4 and 3/8?

Back

12 is not a common denominator for 2/4 and 3/8.

Front

What fraction renames 3/4 with a denominator of 12?

Back

9/12 is the fraction that renames 3/4 with a denominator of 12.

Front

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

Back

The first step is to find a common denominator.

Front

If the denominators of two fractions are 4 and 8, what is a common denominator?

Back

A common denominator could be 8.

Front

What is the relationship between the numerator and denominator in a fraction?

Back

The numerator is the top number that represents how many parts are taken, while the denominator is the bottom number that represents the total number of equal parts.

Front

Can 0 be a denominator in a fraction?

Back

No, 0 cannot be a denominator because division by zero is undefined.