Dividing Fractions

Front

What is a fraction?

Back

A fraction represents a part of a whole and is written as 'a/b', where 'a' is the numerator (part) and 'b' is the denominator (whole).

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What does it mean to divide fractions?

Back

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

Tags

CCSS.6.NS.A.1

Front

What is the reciprocal of a fraction?

Back

The reciprocal of a fraction 'a/b' is 'b/a'. For example, the reciprocal of 1/2 is 2/1.

Front

How do you find the reciprocal of a whole number?

Back

The reciprocal of a whole number 'n' is 1/n. For example, the reciprocal of 5 is 1/5.

Front

What is the first step in dividing fractions?

Back

The first step is to find the reciprocal of the second fraction.

Tags

CCSS.6.NS.A.1

Front

If you have 3/4 divided by 1/2, what is the first step?

Back

The first step is to find the reciprocal of 1/2, which is 2/1.

Tags

CCSS.6.NS.A.1

Front

How do you divide 9/10 by 1/3?

Back

Multiply 9/10 by the reciprocal of 1/3, which is 3/1. So, 9/10 * 3/1 = 27/10 or 2 7/10.

Tags

CCSS.6.NS.A.1

Front

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

Back

Dividing a whole number by a fraction is the same as multiplying the whole number by the reciprocal of the fraction.

Front

If Phoebe spends 1/4 hour on French homework, how many subjects does she have if she spends 1 hour total?

Back

Phoebe has 4 subjects because 1 hour divided by 1/4 hour per subject equals 4.

Tags

CCSS.5.NF.B.7B

CCSS.5.NF.B.7C

Front

What fraction of a pie does each person get if 5/6 of a pie is divided among 4 people?

Back

Each person gets 5/24 of the pie.