Dividing fractions review

Front

What is the result of dividing 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, 5/9 ÷ 10 = 5/(9*10) = 5/90 = 1/18.

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, 36 ÷ 3/4 = 36 * 4/3 = 48.

Front

If Victor has 3 oranges and cuts them into thirds, how many pieces does he have?

Back

Victor has 3 oranges * 3 pieces per orange = 9 pieces.

Front

How do you find out how many dogs showed up if 9 cups of food were shared and each dog received 3/4 cup?

Back

To find the number of dogs, divide the total food by the amount each dog receives: 9 ÷ (3/4) = 9 * (4/3) = 12 dogs.

Front

What is 6/7 ÷ 5/7?

Back

To divide fractions, multiply by the reciprocal: 6/7 ÷ 5/7 = 6/7 * 7/5 = 6/5 = 1 1/5.

Front

What is 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 does it mean to divide by a fraction?

Back

Dividing by a fraction is the same as multiplying by its reciprocal. For example, dividing by 1/2 is the same as multiplying by 2.

Front

How can you visualize dividing fractions?

Back

You can visualize dividing fractions using models like pie charts or number lines to show how many times one fraction fits into another.

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a fraction, such as 1 1/2.

Front

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

Back

To convert an improper fraction to a mixed number, divide the numerator by the denominator. The quotient is the whole number, and the remainder is the new numerator.