4.1 Review of operations with fractions

Front

What is the least common denominator (LCD)?

Back

The least common denominator is the smallest number that can be used as a common denominator for two or more fractions.

Front

What is the least common denominator of 2/3 and 3/4?

Back

12

Front

Do I have to find a common denominator to add fractions?

Back

Yes, you need a common denominator to add fractions.

Front

Can you add fractions without a common denominator?

Back

No, you cannot add fractions without finding a common denominator first.

Front

What is a fraction?

Back

A fraction represents a part of a whole and is written as a/b, where 'a' is the numerator and 'b' is the denominator.

Front

What is the numerator in a fraction?

Back

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

Front

What is the denominator in a fraction?

Back

The denominator is the bottom number in a fraction that indicates the total number of equal parts in a whole.

Front

How do you find the least common multiple (LCM) of two numbers?

Back

To find the LCM, list the multiples of each number and find the smallest multiple they have in common.

Front

What is the LCM of 3 and 4?

Back

12

Front

What is an example of adding fractions with a common denominator?

Back

1/4 + 2/4 = 3/4 (common denominator is 4).