Adding Mixed Numbers with like Denominators

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

To add mixed numbers with like denominators, first add the whole numbers, then add the fractions, and if necessary, simplify the result.

The sum is 9 1/3.

The first step is to add the whole numbers together.

After adding the whole numbers, add the fractions together.

The sum is 4 3/4.

A proper fraction is a fraction where the numerator is less than the denominator, such as 3/4.

An improper fraction is a fraction where the numerator is greater than or equal to the denominator, such as 5/4.

Divide the numerator by the denominator to get the whole number, and the remainder becomes the new numerator over the original denominator.

The sum is 17.