Adding & Subtracting Fractions with Unlike Denominators

Front

What is a numerator?

Back

The top number in a fraction.

Front

What do you do to make an improper fraction a mixed number?

Back

Divide.

Front

What must you have to add and subtract fractions?

Back

Common denominators.

Front

What is a denominator?

Back

The bottom number in a fraction.

Front

How do you find a common denominator for two fractions?

Back

Find the least common multiple (LCM) of the denominators.

Front

What is an improper fraction?

Back

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

Front

What is a mixed number?

Back

A whole number combined with a proper fraction.

Front

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

Back

Multiply the whole number by the denominator and add the numerator.

Front

What is a proper fraction?

Back

A fraction where the numerator is less than the denominator.

Front

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

Back

Find a common denominator.