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 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.

Tags

CCSS.7.NS.A.1C

Front

If Carla's sister is 4 1/3 feet tall and her brother is 2 2/3 feet tall, how much taller is her sister?

Back

1 2/3 feet.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

How do you find the difference between two mixed numbers?

Back

Subtract the whole numbers and then subtract the fractions.

Tags

CCSS.7.NS.A.1C

Front

What is the result of subtracting 2 7/8 from 3 3/8?

Back

1/2 or 4/8.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

If a baker used 3 7/8 bars of chocolate and had 1 5/8 left, how many bars did she start with?

Back

6 bars.

Tags

CCSS.7.NS.A.1C

Front

What is the process to convert an improper fraction back to a mixed number?

Back

Divide the numerator by the denominator to find the whole number, and the remainder becomes the new numerator.