Adding and Subtracting Fractions with Like-Denominators

Front

To add or subtract fractions you must have:

Back

Common denominators.

Front

What is a fraction?

Back

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

Front

What does the denominator tell you in a fraction?

Back

The denominator tells you how many equal parts the whole is divided into.

Front

What does the numerator tell you in a fraction?

Back

The numerator tells you how many parts you have.

Front

How do you add fractions with like denominators?

Back

Add the numerators and keep the denominator the same.

Front

How do you subtract fractions with like denominators?

Back

Subtract the numerators and keep the denominator the same.

Front

Example: What is 1/4 + 2/4?

Back

1/4 + 2/4 = 3/4.

Front

Example: What is 3/5 - 1/5?

Back

3/5 - 1/5 = 2/5.

Front

What is an equivalent fraction?

Back

An equivalent fraction is a fraction that represents the same value as another fraction, even if the numbers are different.

Front

Example: What is an equivalent fraction for 1/2?

Back

An equivalent fraction for 1/2 is 2/4.