Adding Mixed Numbers with regrouping

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?

Back

To add mixed numbers, first add the whole numbers, then add the fractions. If the fraction sum is improper, convert it to a mixed number.

Front

What is regrouping in addition?

Back

Regrouping is the process of carrying over when the sum of a column exceeds 10, often used in addition.

Front

What is the first step in adding 7 2/9 + 6 5/6?

Back

Convert the fractions to have a common denominator before adding.

Front

What is the common denominator of 9 and 6?

Back

The common denominator of 9 and 6 is 18.

Front

Convert 2/9 to an equivalent fraction with a denominator of 18.

Back

2/9 = 4/18.

Front

Convert 5/6 to an equivalent fraction with a denominator of 18.

Back

5/6 = 15/18.

Front

What is 4/18 + 15/18?

Back

4/18 + 15/18 = 19/18, which is 1 1/18.

Front

What do you do when the sum of the fractions is an improper fraction?

Back

Convert the improper fraction to a mixed number and add it to the whole number.

Front

What is 7 + 6 + 1 (from 19/18)?

Back

7 + 6 + 1 = 14.