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.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2A

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, 1/3 ÷ 2 = 1/(3*2) = 1/6.

Tags

CCSS.5.NF.B.7A

CCSS.5.NF.B.7C

Front

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

Back

Dividing a whole number by a unit fraction is equivalent to multiplying the whole number by the reciprocal of the unit fraction. For example, 4 ÷ (1/2) = 4 * 2 = 8.

Tags

CCSS.5.NF.B.7B

CCSS.5.NF.B.7C

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

How do you convert a division of fractions into multiplication?

Back

To convert a division of fractions into multiplication, multiply by the reciprocal of the divisor. For example, a/b ÷ c/d = a/b * d/c.

Tags

CCSS.6.NS.A.1

Front

What is the formula for dividing fractions?

Back

The formula for dividing fractions is: a/b ÷ c/d = a/b * d/c.

Tags

CCSS.7.NS.A.2A

Front

What is the result of 1/4 ÷ 2?

Back

1/4 ÷ 2 = 1/(4*2) = 1/8.

Tags

CCSS.5.NF.B.7A

CCSS.5.NF.B.7C

Front

What is the result of 3 ÷ 1/3?

Back

3 ÷ 1/3 = 3 * 3/1 = 9.

Tags

CCSS.5.NF.B.7B

CCSS.5.NF.B.7C

Front

How do you simplify the fraction 1/15?

Back

The fraction 1/15 is already in its simplest form, as 1 is the only common factor between the numerator and the denominator.

Front

What is the result of 6 ÷ 1/6?

Back

6 ÷ 1/6 = 6 * 6/1 = 36.

Tags

CCSS.5.NF.B.7B

CCSS.5.NF.B.7C