Adding and Subtracting Fractions

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 the numerator in a fraction represent?

Back

The numerator represents the number of parts we have.

Front

What does the denominator in a fraction represent?

Back

The denominator represents the total number of equal parts in a whole.

Front

What is a common denominator?

Back

A common denominator is a shared multiple of the denominators of two or more fractions, used to add or subtract them.

Front

How do you find a common denominator for 1/2 and 1/3?

Back

The common denominator for 1/2 and 1/3 is 6.

Front

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

Back

The first step is to find a common denominator.

Front

What is the sum of 1/4 + 1/4?

Back

1/4 + 1/4 = 2/4, which simplifies to 1/2.

Front

What is the difference of 3/5 - 1/5?

Back

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

Front

How do you add 3/8 and 5/8?

Back

3/8 + 5/8 = 8/8, which equals 1.

Front

What is the result of 4/5 - 1/5?

Back

4/5 - 1/5 = 3/5.