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 swapping its numerator and denominator. For example, the reciprocal of 3/4 is 4/3.

Front

What is the result of dividing 3 by 1/4?

Back

The result of dividing 3 by 1/4 is 12.

Front

If a pet store has 9 cats and only 1/4 of a bag of cat food, how much food does each cat get?

Back

Each cat would get 1/36 of the bag of cat food.

Front

What is the inverse operation of multiplication?

Back

The inverse operation of multiplication is division.

Front

How do you convert a whole number into a fraction?

Back

To convert a whole number into a fraction, place the whole number over 1. For example, 2 becomes 2/1.

Front

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

Back

Dividing a whole number by a fraction is equivalent to multiplying the whole number by the reciprocal of the fraction.

Front

What is the reciprocal of 7/8?

Back

The reciprocal of 7/8 is 8/7.

Front

How do you find the fraction of a whole when dividing?

Back

To find the fraction of a whole when dividing, divide the numerator by the denominator and simplify if necessary.