Multiplying and Dividing Fractions

Front

What is the product of 4/5 and 5/4?

Back

The product is 1 (or 1/1), since 4/5 * 5/4 = 20/20 = 1).

Front

How do you multiply two fractions?

Back

To multiply two fractions, multiply the numerators together and the denominators together. For example, a/b * c/d = (a*c)/(b*d).

Front

What is the reciprocal of a fraction?

Back

The reciprocal of a fraction a/b is b/a. It is obtained by swapping the numerator and denominator.

Front

How do you divide fractions?

Back

To divide fractions, multiply by the reciprocal of the divisor. For example, a/b ÷ c/d = a/b * d/c.

Front

What is 3 ÷ 1/2?

Back

3 ÷ 1/2 = 3 * 2/1 = 6.

Front

What is the product of 1/7 and 1/7?

Back

The product is 1/49, since 1/7 * 1/7 = 1/49.

Front

What is the result of multiplying 2/3 by 3/2?

Back

The result is 1, since 2/3 * 3/2 = 6/6 = 1.

Front

What is the result of 4/9 ÷ 1/2?

Back

The result is 8/9, since 4/9 ÷ 1/2 = 4/9 * 2/1 = 8/9.

Front

What is the first step in multiplying fractions?

Back

The first step is to multiply the numerators together.

Front

What is the first step in dividing fractions?

Back

The first step is to find the reciprocal of the divisor.