Add and Subtract 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.

Tags

CCSS.3.NF.A.3C

Front

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

Back

Multiply the whole number by the denominator, add the numerator, and place that over the original denominator. For example, 2 1/3 = (2*3 + 1)/3 = 7/3.

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

How do you add mixed numbers?

Back

Convert them to improper fractions, add the fractions, and then convert back to a mixed number if necessary.

Tags

CCSS.7.NS.A.1C

Front

How do you subtract mixed numbers?

Back

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 the first step in adding mixed numbers?

Back

Convert each mixed number to an improper fraction.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the first step in subtracting mixed numbers?

Back

Convert each mixed number to an improper fraction.

Tags

CCSS.7.NS.A.1C

Front

Back

Tags

CCSS.4.NF.B.3D

CCSS.4.NF.B.3C

Front

If an amusement park sold 6 4/5 gallons of soda and 2 1/5 gallons were regular soda, how do you find the amount of diet soda sold?

Back

Subtract the amount of regular soda from the total: 6 4/5 - 2 1/5 = 4 3/5 gallons.

Tags

CCSS.4.NF.B.3D

CCSS.4.NF.B.3C

Front

Back

Tags

CCSS.4.NF.B.3D

CCSS.4.NF.B.3C