Multiplying 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 the result over the original denominator.

Front

Convert 3 1/4 to an improper fraction.

Back

3 1/4 = (3 * 4 + 1)/4 = 13/4.

Front

What is the first step in multiplying mixed numbers?

Back

Convert each mixed number to an improper fraction.

Tags

CCSS.5.NF.B.6

Front

Multiply the mixed numbers 2 1/3 and 1 1/2. What is the first step?

Back

Convert 2 1/3 to 7/3 and 1 1/2 to 3/2.

Front

What do you do after converting mixed numbers to improper fractions?

Back

Multiply the numerators together and the denominators together.

Tags

CCSS.5.NF.B.6

Front

What is the product of 7/3 and 3/2?

Back

(7 * 3)/(3 * 2) = 21/6.

Tags

CCSS.5.NF.B.6

Front

How do you simplify the fraction 21/6?

Back

Divide the numerator and denominator by their greatest common divisor, which is 3. So, 21/6 = 7/2.

Front

Convert the improper fraction 7/2 back to a mixed number.

Back

7/2 = 3 1/2.

Front

What is the final step after multiplying mixed numbers?

Back

Convert the result back to a mixed number if necessary.

Tags

CCSS.5.NF.B.6