Adding Fractions

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 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 a common denominator?

Back

A common denominator is a shared multiple of the denominators of two or more fractions, allowing them to be added or subtracted.

Front

How do you find a common denominator for 1/2 and 2/5?

Back

The least common multiple (LCM) of 2 and 5 is 10, so the common denominator is 10.

Front

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

Back

9/10.

Front

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

Back

Find a common denominator.

Front

If Brooke has 3/5 of an apple pie and her mom has 2/7, how do you add these fractions?

Back

Convert to a common denominator (35), then add: 21/35 + 10/35 = 31/35.

Front

What is the sum of 4/7 and 3/5?

Back

1 6/35.

Front

What is an improper fraction?

Back

An improper fraction has a numerator that is greater than or equal to its denominator.