Dividing Unit Fractions by 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 unit fraction by a whole number?

Back

To divide a unit fraction by a whole number, multiply the denominator of the fraction by the whole number. For example, 1/4 ÷ 3 = 1/(4×3) = 1/12.

Front

What is the result of 1/4 ÷ 2?

Back

1/4 ÷ 2 = 1/(4×2) = 1/8.

Front

If you have 1/3 of a pizza and share it with 3 friends, how much does each friend get?

Back

1/3 ÷ 3 = 1/(3×3) = 1/9 of the pizza.

Front

What is the result of 1/6 ÷ 3?

Back

1/6 ÷ 3 = 1/(6×3) = 1/18.

Front

If a recipe calls for 1/2 cup of sugar and you want to divide it among 4 people, how much sugar does each person get?

Back

1/2 ÷ 4 = 1/(2×4) = 1/8 cup of sugar.

Front

What does it mean to divide a fraction?

Back

Dividing a fraction means finding out how many times the denominator can fit into the numerator.

Front

If you have 1/4 of a chocolate bar and you want to share it with 2 friends, how much does each person get?

Back

1/4 ÷ 3 = 1/(4×3) = 1/12 of the chocolate bar.

Front

What is the result of 1/2 ÷ 2?

Back

1/2 ÷ 2 = 1/(2×2) = 1/4.

Front

If there is 1/3 of a cake left and 4 children are sharing it, how much cake does each child get?

Back

1/3 ÷ 4 = 1/(3×4) = 1/12 of the cake.