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 add mixed numbers?

Back

To add mixed numbers, first add the whole numbers, then add the fractions. If the fraction sum is improper, convert it to a mixed number.

Tags

CCSS.7.NS.A.1C

Front

What is the first step in subtracting mixed numbers?

Back

The first step is to subtract the whole numbers, then subtract the fractions.

Tags

CCSS.7.NS.A.1C

Front

What do you do if the fraction in a mixed number is larger than 1 when adding?

Back

Convert the improper fraction to a mixed number and add it to the whole number.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

How do you convert an improper fraction 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 simplest form of a fraction?

Back

The simplest form of a fraction is when the numerator and denominator have no common factors other than 1.

Front

How do you find a common denominator for adding fractions?

Back

Find the least common multiple (LCM) of the denominators to use as the common denominator.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the sum of 1/2 and 1/4?

Back

The sum is 3/4.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is the difference between 3/4 and 1/2?

Back

The difference is 1/4.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

How do you simplify the fraction 4/8?

Back

Divide both the numerator and denominator by their greatest common factor, which is 4. The simplified fraction is 1/2.