Subtracting Mixed Numbers

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 subtract mixed numbers?

Back

To subtract mixed numbers, convert them to improper fractions, subtract, and then convert back if necessary.

Front

What is an improper fraction?

Back

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

Front

Convert the mixed number 3 1/2 to an improper fraction.

Back

3 1/2 = 7/2.

Front

What is the first step in subtracting mixed numbers?

Back

The first step is to convert both mixed numbers to improper fractions.

Front

Subtract the mixed numbers: 5 3/4 - 2 1/2.

Back

5 3/4 - 2 1/2 = 3 1/4.

Front

What do you do if the fractions have different denominators?

Back

Find a common denominator before subtracting the fractions.

Front

What is the result of 4 1/3 - 1 2/3?

Back

4 1/3 - 1 2/3 = 2 2/3.

Front

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

Back

Divide the numerator by the denominator; the quotient is the whole number, and the remainder is the new numerator.

Front

What is the result of 7 5/6 - 3 1/12?

Back

7 5/6 - 3 1/12 = 4 3/4.