Common Denominators, Equivalent Fractions, and Adding

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, making it easier to compare or add them.

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 they share.

Front

What are equivalent fractions?

Back

Equivalent fractions are different fractions that represent the same value or amount.

Front

How can you create equivalent fractions?

Back

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

Front

What is the sum of 1/2 and 1/4?

Back

The sum of 1/2 and 1/4 is 3/4.

Front

What is the sum of 1/3 and 1/6?

Back

The sum of 1/3 and 1/6 is 1/2.

Front

What is the least common denominator of 1/3 and 1/4?

Back

The least common denominator of 1/3 and 1/4 is 12.

Front

What is the least common denominator of 2/5 and 3/10?

Back

The least common denominator of 2/5 and 3/10 is 10.

Front

What is the sum of 2/12 and 3/12?

Back

The sum of 2/12 and 3/12 is 5/12.