12.2 Adding Fractions with like Denominators

Front

What is a fraction?

Back

A fraction represents a part of a whole and consists of a numerator (top number) and a denominator (bottom number).

Front

What does it mean to have like denominators?

Back

Like denominators are when two or more fractions have the same bottom number (denominator).

Front

How do you add fractions with like denominators?

Back

To add fractions with like denominators, keep the denominator the same and add the numerators together.

Front

What is the sum of 1/5 and 2/5?

Back

3/5

Front

What is the sum of 3/8 and 2/8?

Back

5/8

Front

What is the sum of 4/10 and 1/10?

Back

5/10, which simplifies to 1/2.

Front

What is the sum of 5/12 and 2/12?

Back

7/12

Front

What is the sum of 3/4 and 1/4?

Back

4/4, which simplifies to 1.

Front

What is the sum of 2/3 and 1/3?

Back

3/3, which simplifies to 1.

Front

What does it mean to simplify a fraction?

Back

To simplify a fraction means to reduce it to its lowest terms, where the numerator and denominator have no common factors other than 1.