Dividing Unit Fractions and Whole Numbers

Front

What is a unit fraction?

Back

A unit fraction is a fraction where the numerator is 1 and the denominator is a positive integer, such as 1/2, 1/3, or 1/4.

Front

How do you divide a whole number by a unit fraction?

Back

To divide a whole number by a unit fraction, multiply the whole number by the reciprocal of the unit 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 1/4 is 4/1.

Front

Calculate: 6 ÷ 1/4

Back

24

Front

Calculate: 4 ÷ 1/2

Back

8

Front

What is 1/7 ÷ 2?

Back

1/14

Front

Calculate: 1/4 ÷ 5

Back

1/20

Front

Calculate: 1/2 ÷ 2

Back

1/4

Front

What does it mean to divide by a fraction?

Back

Dividing by a fraction means to multiply by its reciprocal.

Front

If you divide a fraction by a whole number, what happens to the fraction?

Back

The fraction becomes smaller because you are dividing it into smaller parts.