Multiplying and Dividing 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 convert a mixed number to an improper fraction?

Back

Multiply the whole number by the denominator, add the numerator, and place that over the denominator. For example, 2 1/2 = (2*2 + 1)/2 = 5/2.

Front

What is the first step in multiplying mixed numbers?

Back

Convert each mixed number to an improper fraction.

Front

Multiply: 3 1/10 x 4 1/4

Back

4 1/4.

Front

How do you divide mixed numbers?

Back

Convert each mixed number to an improper fraction, then multiply by the reciprocal of the second fraction.

Front

What is the reciprocal of a fraction?

Back

The reciprocal of a fraction is obtained by flipping the numerator and denominator. For example, the reciprocal of 3/4 is 4/3.

Front

Divide: 4 ¾ ÷ 1 ½

Back

32/9.

Front

What is the result of multiplying 3 ⅗ x 2 ⅔?

Back

9 3/5.

Front

How do you simplify a fraction?

Back

Divide the numerator and denominator by their greatest common factor (GCF).

Front

What is the GCF of 8 and 12?

Back

The GCF of 8 and 12 is 4.