6.4 Divide Fractions and Whole Numbers

Front

What is the result of dividing a fraction by a whole number?

Back

To divide a fraction by a whole number, multiply the denominator of the fraction by the whole number. For example, 1/2 ÷ 2 = 1/(2*2) = 1/4.

Front

How do you divide a whole number by a fraction?

Back

To divide a whole number by a fraction, multiply the whole number by the reciprocal of the fraction. For example, 7 ÷ 1/3 = 7 * 3/1 = 21.

Front

What is 1/2 ÷ 9?

Back

1/2 ÷ 9 = 1/(2*9) = 1/18.

Front

What is 1/5 ÷ 2?

Back

1/5 ÷ 2 = 1/(5*2) = 1/10.

Front

If Mr. Morales divides 1/2 pound of butter into 4 bowls, how much butter is in each bowl?

Back

1/2 ÷ 4 = 1/8 pound of butter in each bowl.

Front

What fraction of a wall is painted if 1/4 of the wall is divided into 3 equal parts and one part is painted?

Back

1/4 ÷ 3 = 1/12 of the wall is painted.

Front

What is the reciprocal of 1/3?

Back

The reciprocal of 1/3 is 3/1 or simply 3.

Front

What does it mean to divide by a fraction?

Back

Dividing by a fraction is the same as multiplying by its reciprocal.

Front

How can you visualize dividing fractions?

Back

You can visualize dividing fractions using models like pie charts or number lines to show how parts are divided.

Front

What is the first step in dividing fractions?

Back

The first step is to find the reciprocal of the divisor (the fraction you are dividing by).