Adding Fractions with Unlike Denominators

Front

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

Back

Find a common denominator.

Front

What is a common denominator?

Back

A common denominator is a shared multiple of the denominators of two or more fractions.

Front

How do you find the least common denominator (LCD) of two fractions?

Back

List the multiples of each denominator and find the smallest multiple they share.

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.

Front

Why is it necessary to have a common denominator to add fractions?

Back

Fractions must represent the same size parts to be added together.

Front

What is the process to add fractions once a common denominator is found?

Back

Add the numerators together and keep the common denominator.

Front

What do you do if the fractions have different numerators and denominators?

Back

Convert them to equivalent fractions with a common denominator before adding.

Front

Can you add fractions with unlike denominators directly?

Back

No, you must first find a common denominator.

Front

What is an equivalent fraction?

Back

An equivalent fraction is a fraction that represents the same value as another fraction, even though the numerator and denominator are different.