Adding and Subtracting Mixed Fractions

Front

What is a mixed fraction?

Back

A mixed fraction is a number that combines a whole number and a proper fraction, such as 2 1/2.

Tags

CCSS.3.NF.A.3C

Front

How do you add mixed fractions?

Back

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

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

How do you subtract mixed fractions?

Back

To subtract mixed fractions, first subtract the whole numbers, then subtract the fractions. If the fraction result is negative, borrow from the whole number.

Tags

CCSS.7.NS.A.1C

Front

What is the first step in solving a problem with mixed fractions?

Back

Convert any improper fractions to mixed fractions or ensure all fractions have a common denominator.

Tags

CCSS.7.NS.A.1C

Front

What is a proper fraction?

Back

A proper fraction is a fraction where the numerator is less than the denominator, such as 3/4.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

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 5/4.

Tags

CCSS.3.NF.A.3C

Front

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

Back

Divide the numerator by the denominator. The quotient is the whole number, and the remainder over the denominator is the fraction.

Front

What is the least common denominator (LCD)?

Back

The least common denominator is the smallest number that can be used as a common denominator for two or more fractions.

Front

How do you find the least common denominator?

Back

List the multiples of each denominator and find the smallest multiple that appears in both lists.

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.