5.NF.6 Multiply 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.

Front

How do you multiply mixed numbers?

Back

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

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.

Front

Convert the mixed number 2 1/2 to an improper fraction.

Back

2 1/2 = 5/2.

Front

Convert the mixed number 3 3/4 to an improper fraction.

Back

3 3/4 = 15/4.

Front

What is the first step in multiplying mixed numbers?

Back

The first step is to convert each mixed number to an improper fraction.

Front

Multiply: 1 1/2 × 2 1/3.

Back

1 1/2 × 2 1/3 = 3 1/6.

Front

What does it mean to simplify a fraction?

Back

To simplify a fraction means to reduce it to its lowest terms, where the numerator and denominator have no common factors.

Front

Multiply: 2 1/4 × 1 2/3.

Back

2 1/4 × 1 2/3 = 3 3/8.

Front

What is the product of 3/4 and 2/5?

Back

The product of 3/4 and 2/5 is 3/10.