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

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

Back

Find a common denominator.

Front

What is a common denominator?

Back

A common denominator is a number that is a multiple of the denominators of the fractions being added.

Front

How do you find a common denominator for ⅖ and ¾?

Back

The least common multiple (LCM) of 2 and 4 is 4, so the common denominator is 4.

Front

What is the sum of ⅖ and ¾ after finding a common denominator?

Back

The sum is 1 1/10 or 11/10.

Front

Back

Front

In order to add or subtract fractions, do you need common numerators?

Back

False. You need common denominators.

Front

What is an improper fraction?

Back

An improper fraction is a fraction where the numerator is greater than or equal to the denominator.