Multiplying and 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 4/5 is 5/4.

Front

How do you divide fractions?

Back

To divide fractions, multiply the first fraction by the reciprocal of the second fraction. For example, 1/4 ÷ 1/2 = 1/4 x 2/1 = 2/4 = 1/2.

Front

What is the product of two fractions?

Back

The product of two fractions is found by multiplying the numerators together and the denominators together. For example, 2/6 x 3/5 = (2*3)/(6*5) = 6/30 = 1/5.

Front

What is the result of 1/4 ÷ 2/5?

Back

1/4 ÷ 2/5 = 1/4 x 5/2 = 5/8.

Front

How do you simplify a fraction?

Back

To simplify a fraction, divide the numerator and the denominator by their greatest common divisor (GCD). For example, 6/8 can be simplified to 3/4.

Front

What is the result of 1/6 ÷ 3?

Back

1/6 ÷ 3 = 1/6 x 1/3 = 1/18.

Front

What does it mean to multiply fractions?

Back

Multiplying fractions means to find the product by multiplying the numerators and the denominators. For example, 2/3 x 3/4 = (2*3)/(3*4) = 6/12 = 1/2.

Front

What is a mixed number?

Back

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

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 numerator of the fraction.

Front

What is the least common denominator (LCD)?

Back

The least common denominator is the smallest number that can be a common denominator for two or more fractions. For example, the LCD of 1/4 and 1/6 is 12.