Subtracting Mixed Numbers

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a fraction, such as 2 1/3.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

How do you subtract mixed numbers?

Back

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

Tags

CCSS.7.NS.A.1C

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.

Tags

CCSS.3.NF.A.3C

Front

Convert 2 1/2 to an improper fraction.

Back

2 1/2 = 5/2.

Front

What is the first step in subtracting mixed numbers?

Back

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

Tags

CCSS.7.NS.A.1C

Front

Subtract 3 1/4 - 1 1/2. What is the answer?

Back

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

Tags

CCSS.7.NS.A.1C

Front

What do you do if the fraction part of the result is improper?

Back

If the fraction part is improper, convert it to a mixed number.

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 4 3/8 - 2 1/4?

Back

4 3/8 - 2 1/4 = 2 1/8.

Tags

CCSS.7.NS.A.1C

Front

If you have 5 1/2 and subtract 2 3/4, what is the result?

Back

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

Tags

CCSS.7.NS.A.1C