Division with Fractions

Front

What is division with fractions?

Back

Division with fractions involves dividing a whole number or a fraction by another fraction. To divide by a fraction, multiply by its reciprocal.

Front

How do you find the reciprocal of a fraction?

Back

The reciprocal of a fraction is obtained by flipping the numerator and denominator. For example, the reciprocal of 3/4 is 4/3.

Front

What is the first step in dividing a fraction by a fraction?

Back

The first step is to multiply the first fraction by the reciprocal of the second fraction.

Front

If you have 2 1/2 cups and want to know how many 1/2 cups are in it, what operation do you perform?

Back

You perform division: 2 1/2 ÷ 1/2.

Front

How do you convert a mixed number to an improper fraction?

Back

To convert a mixed number to an improper fraction, multiply the whole number by the denominator, add the numerator, and place that over the original denominator.

Front

What is the improper fraction equivalent of 2 1/2?

Back

The improper fraction equivalent of 2 1/2 is 5/2.

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.

Front

If Miss Illge has 1/3 gallon of paint and shares it with 4 friends, how do you find out how much each person gets?

Back

You divide 1/3 by 5 (1/3 ÷ 5) to find out how much paint each person gets.

Front

What is the result of dividing 1/3 by 5?

Back

The result is 1/15.

Front

If Miss Dock has 3/4 hour to make signs and each sign takes 1/5 hour, how do you find the number of signs she can make?

Back

You divide 3/4 by 1/5 (3/4 ÷ 1/5) to find the number of signs.