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 do you need to do before adding or subtracting fractions?

Back

You must have a common denominator.

Front

How do you add fractions with the same denominator?

Back

Add the numerators and keep the denominator the same.

Front

How do you subtract fractions with the same denominator?

Back

Subtract the numerators and keep the denominator the same.

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a fraction, like 2 1/2.

Front

Convert the mixed number 3 1/4 to an improper fraction.

Back

3 1/4 = 13/4.

Front

What is the first step in adding mixed numbers?

Back

Convert them to improper fractions.

Front

What is the result of 3 8/9 + 2 8/9?

Back

6 7/9.

Front

What is the result of 4 2/6 - 2 5/6?

Back

1 3/6.

Front

What is the result of 6 4/10 - 3 8/10?

Back

2 6/10.