Add and Subtract Mixed Numbers

Front

What is a mixed number?

Back

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

Front

How do you convert a mixed number to an improper fraction?

Back

Multiply the whole number by the denominator, add the numerator, and place that over the original denominator. For example, 2 1/3 = (2*3 + 1)/3 = 7/3.

Front

What is the first step in adding mixed numbers?

Back

Convert each mixed number to an improper fraction.

Front

How do you add mixed numbers?

Back

Add the improper fractions, then convert back to a mixed number if necessary.

Front

What is the first step in subtracting mixed numbers?

Back

Convert each mixed number to an improper fraction.

Front

How do you subtract mixed numbers?

Back

Subtract the improper fractions, then convert back to a mixed number if necessary.

Front

What is the sum of 1 1/4 and 2 2/4?

Back

3 1/2.

Front

What is the difference between 5 3/5 and 2 1/5?

Back

3 2/5.

Front

If you have 6 4/5 gallons of soda and 2 1/5 gallons are regular, how much is diet soda?

Back

4 3/5 gallons.

Front

What is the simplest form of 15 1/3?

Back

15 1/3 is already in simplest form.