Dividing Fractions

Front

What is dividing fractions?

Back

Dividing fractions involves multiplying the first fraction by the reciprocal of the second fraction.

Tags

CCSS.6.NS.A.1

Front

How do you find the reciprocal of a fraction?

Back

The reciprocal of a fraction is obtained by flipping the numerator and denominator.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What is the reciprocal of 1/2?

Back

The reciprocal of 1/2 is 2/1 or simply 2.

Front

What is the result of 1/4 ÷ 1/2?

Back

The result is 2/4, which simplifies to 1/2.

Tags

CCSS.6.NS.A.1

Front

What is the result of 1/4 ÷ 2/5?

Back

The result is 5/8.

Tags

CCSS.6.NS.A.1

Front

How do you simplify a fraction?

Back

To simplify a fraction, divide the numerator and the denominator by their greatest common divisor (GCD).

Front

What is the GCD of 6 and 40?

Back

The GCD of 6 and 40 is 2.

Front

What is 6/40 in lowest terms?

Back

6/40 simplifies to 3/20.

Front

If a runner runs 1/16 mile, how many runners are needed for a 1/4 mile race?

Back

4 runners are needed.

Tags

CCSS.5.NF.B.7A

CCSS.5.NF.B.7C

Front

What is the formula for dividing fractions?

Back

The formula is: a/b ÷ c/d = a/b × d/c.

Tags

CCSS.7.NS.A.2A