Add & Subtract Mixed Numbers with Like Denominators

Front

What is a mixed number?

Back

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

Front

What does it mean to add mixed numbers with like denominators?

Back

Adding mixed numbers with like denominators means you can add the whole numbers together and the fractions together since they have the same bottom number.

Front

What is a like denominator?

Back

Like denominators are denominators that are the same in two or more fractions.

Front

How do you add the fractions in mixed numbers with like denominators?

Back

You add the numerators together and keep the same denominator.

Front

What is the first step in adding mixed numbers?

Back

The first step is to add the whole numbers together.

Front

If you have 1 1/4 + 2 1/4, what do you add first?

Back

You add the whole numbers: 1 + 2 = 3.

Front

What is 1/4 + 1/4?

Back

1/4 + 1/4 = 2/4, which simplifies to 1/2.

Front

What do you do after adding the whole numbers and fractions?

Back

Combine the results to form a new mixed number.

Front

What is 3 1/2 + 2 1/2?

Back

3 1/2 + 2 1/2 = 5.

Front

What is the process for subtracting mixed numbers with like denominators?

Back

Subtract the whole numbers and the fractions separately.