Adding 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 indicates how many parts of the whole are being considered.

Front

What does the denominator in a fraction represent?

Back

The denominator shows the total number of equal parts the whole is divided into.

Front

How do you add fractions with the same denominator?

Back

Add the numerators together and keep the denominator the same.

Front

How do you add fractions with different denominators?

Back

Find a common denominator, convert the fractions, then add the numerators.

Front

What is a common denominator?

Back

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

Front

What is the least common denominator (LCD)?

Back

The least common denominator is the smallest common multiple of the denominators.

Front

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

Back

The sum is 7/12.

Front

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

Back

The sum is 13/12 or 1 1/12.

Front

How do you simplify a fraction?

Back

Divide the numerator and the denominator by their greatest common factor.