Adding & Subtracting Fractions with Unlike Denominators

Front

What is an improper fraction?

Back

A fraction where the numerator is greater than or equal to the denominator.

Front

How do you convert an improper fraction to a mixed number?

Back

Divide the numerator by the denominator to get the whole number, and the remainder becomes the new numerator.

Front

What is a mixed number?

Back

A number that consists of a whole number and a proper fraction.

Front

What do you need to add or subtract fractions?

Back

Common denominators.

Front

What is a denominator?

Back

The bottom number in a fraction that shows how many equal parts the whole is divided into.

Front

What is a numerator?

Back

The top number in a fraction that shows how many parts are being considered.

Front

What is a common denominator?

Back

A shared multiple of the denominators of two or more fractions.

Front

How do you find a common denominator for 1/3 and 1/4?

Back

The least common multiple (LCM) of 3 and 4 is 12, so the common denominator is 12.

Front

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

Back

Find a common denominator.

Front

If you have 1/2 and 1/3, what is the common denominator?

Back

The common denominator is 6.