Dividing Unit Fractions

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 unit fraction by a whole number?

Back

To divide a unit fraction by a whole number, multiply the denominator of the fraction by that whole number. For example, 1/4 ÷ 2 = 1/(4×2) = 1/8.

Front

What is the result of 1/6 ÷ 3?

Back

1/18

Front

If 1/2 of a pizza is shared by 2 friends, how much does each friend get?

Back

1/4 of the pizza.

Front

What is 1/4 ÷ 3?

Back

1/12

Front

If 1/3 of a cake is shared by 3 people, how much does each person get?

Back

1/9 of the cake.

Front

What does it mean to share a fraction equally?

Back

Sharing a fraction equally means dividing that fraction into equal parts, so each person gets the same amount.

Front

How do you find the fraction each person gets when sharing a unit fraction?

Back

Divide the unit fraction by the number of people sharing it.

Front

What is 1/4 ÷ 2?

Back

1/8

Front

If 1/6 of a mile is shared by 3 runners, how much does each runner run?

Back

1/18 mile.