Adding & Subtracting Fractions with Unlike Denominators

Front

What is a numerator?

Back

The top number in a fraction.

Front

What is a denominator?

Back

The bottom number in a fraction.

Front

What is a fraction?

Back

A part of a whole, represented by a numerator and a denominator.

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.

Front

What is a mixed number?

Back

A whole number combined with a proper fraction.

Front

What do you need to add or subtract fractions?

Back

Common denominators.

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 of 3 and 4, which is 12.

Front

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

Back

Find a common denominator.