Unit fraction division

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 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, 1/4 ÷ 2 = 1/(4*2) = 1/8.

Front

What is the result of 1/4 ÷ 6?

Back

1/24.

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, 6 ÷ 1/7 = 6 * 7/1 = 42.

Front

What is the result of 6 ÷ 1/7?

Back

42.

Front

What is the result of 1/2 ÷ 4?

Back

1/8.

Front

If Desmond rides 15 miles and stops every 1/3 mile, how many stops does he make?

Back

45 times.

Front

If Grace fills 1/16 of a sketchbook each day, how long to fill 3 sketchbooks?

Back

48 days.

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 1/4 is 4/1.

Front

What does it mean to divide by a fraction?

Back

Dividing by a fraction is equivalent to multiplying by its reciprocal.