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 they share.

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 the numerator in a fraction?

Back

The numerator is the number on the top of a fraction that indicates how many parts are being considered.

Front

Find the least common denominator of 1/2 and 3/7.

Back

14

Front

Find the least common denominator of 3/5 and 5/7.

Back

35

Front

Which of these numbers could NOT be a common denominator for 1/3, 2/5, and 3/10: 15, 30, 60, 90?

Back

15

Front

What is the least common denominator of 2/6 and 7/8?

Back

24

Front

If the denominators of two fractions are 4 and 6, what is their least common denominator?

Back

12