Adding and Subtracting Mixed Fractions

Front

What is a mixed fraction?

Back

A mixed fraction is a number that combines a whole number and a proper fraction, such as 2 1/2.

Front

How do you add mixed fractions?

Back

To add mixed fractions, first add the whole numbers together, then add the fractions. If necessary, convert the fractions to have a common denominator.

Front

How do you subtract mixed fractions?

Back

To subtract mixed fractions, first subtract the whole numbers, then subtract the fractions. If the fraction part of the first mixed number is smaller than the second, borrow from the whole number.

Front

What is the first step in adding 3 1/4 and 2 2/3?

Back

Convert both fractions to have a common denominator before adding.

Front

What is the common denominator of 4 and 3?

Back

The common denominator of 4 and 3 is 12.

Front

Convert 3 1/4 to an improper fraction.

Back

3 1/4 = 13/4.

Front

Convert 2 2/3 to an improper fraction.

Back

2 2/3 = 8/3.

Front

What is 13/4 + 8/3?

Back

To add, convert to a common denominator: 39/12 + 32/12 = 71/12 or 5 11/12.

Front

How do you convert a mixed number to an improper fraction?

Back

Multiply the whole number by the denominator and add the numerator. Place this result over the original denominator.

Front

What is 9 1/6 - 3 5/8?

Back

Convert to improper fractions: 55/6 - 29/8. Find a common denominator and subtract to get 5 13/24.