5.NF.B.7A Division of 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 and 'b' is the denominator.

Front

What does it mean to divide fractions?

Back

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

Front

What is the reciprocal of a fraction?

Back

The reciprocal of a fraction 'a/b' is 'b/a'. For example, the reciprocal of 3/4 is 4/3.

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.

Front

What is 18/5 as a mixed number?

Back

3 3/5.

Front

How do you divide 3/5 by 5/6?

Back

Multiply 3/5 by the reciprocal of 5/6, which is 6/5. The answer is 18/25.

Front

What is 1 ½ ÷ 2¼?

Back

Convert to improper fractions: 3/2 ÷ 9/4 = 3/2 × 4/9 = 12/18 = ⅔.

Front

What is the reciprocal of 1 2/3?

Back

The reciprocal of 1 2/3 (which is 5/3) is 3/5.

Front

How do you write 5 divided by 3 as a fraction?

Back

5 divided by 3 is written as 5/3.

Front

What is the first step in dividing fractions?

Back

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