Adding & 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. If the fraction sum is improper, convert it to a mixed number.

Front

What is a like denominator?

Back

Like denominators are denominators that are the same in two or more fractions, such as 1/4 and 3/4.

Front

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

Back

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

Front

What do you do if the fraction part of a mixed number is larger than the whole number?

Back

If the fraction part is larger than the whole number, you can convert the mixed number to an improper fraction.

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.

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.

Front

What is the sum of 2 1/3 and 1 1/3?

Back

The sum is 3 2/3.

Front

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

Back

The difference is 3.

Front

How do you simplify a fraction?

Back

To simplify a fraction, divide the numerator and the denominator by their greatest common factor.