FLASHCARDIZZ: Dividing Fractions Review

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 is a mixed number?

Back

A mixed number is a whole number combined with a fraction. For example, 2 1/2 is a mixed number.

Front

How do you divide fractions?

Back

To divide fractions, multiply the first fraction by the reciprocal of the second fraction. For example, 1/2 ÷ 1/3 = 1/2 × 3/1 = 3/2.

Front

What is an improper fraction?

Back

An improper fraction is a fraction where the numerator is greater than or equal to the denominator, such as 5/4 or 3/3.

Front

What is a proper fraction?

Back

A proper fraction is a fraction where the numerator is less than the denominator, such as 1/2 or 3/4.

Front

What does it mean to simplify a fraction?

Back

To simplify a fraction means to reduce it to its lowest terms, where the numerator and denominator have no common factors other than 1.

Front

What is the first step in dividing mixed numbers?

Back

The first step is to convert the mixed numbers into improper fractions.

Front

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

Back

Multiply the whole number by the denominator, add the numerator, and place that over the original denominator. For example, 2 1/3 = (2*3 + 1)/3 = 7/3.

Front

What is the result of 1/4 ÷ 2/5?

Back

1/4 ÷ 2/5 = 1/4 × 5/2 = 5/8.

Front

What is the result of 2 3/8 ÷ 1 1/4?

Back

2 3/8 ÷ 1 1/4 = 1 9/10.