Adding and Subtracting 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

How do you add mixed numbers with like denominators?

Back

To add mixed numbers with like denominators, add the whole numbers together and then add the fractions together. If the fraction sum is improper, convert it to a mixed number.

Front

What is the first step in subtracting mixed numbers with like denominators?

Back

The first step is to subtract the whole numbers, then subtract the fractions.

Front

What does it mean to have like denominators?

Back

Like denominators means that the fractions have the same bottom number (denominator), making it easier to add or subtract them.

Front

Convert the mixed number 5 3/4 to an improper fraction.

Back

5 3/4 = 23/4.

Front

What is the sum of 6 2/6 + 1 2/6?

Back

The sum is 7 2/3.

Front

What is the difference of 7 4/7 - 5 2/7?

Back

The difference is 2 2/7.

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 sum over the denominator.

Front

What is the result of 8 1/2 + 2 1/2?

Back

The result is 11.

Front

What is an improper fraction?

Back

An improper fraction is a fraction where the numerator is greater than or equal to the denominator, such as 9/4.