Multiplying and dividing fractions

Front

What is a fraction?

Back

A fraction represents a part of a whole and consists of a numerator (top number) and a denominator (bottom number).

Front

How do you multiply fractions?

Back

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

Front

What is the product of 3/4 and 2/3?

Back

The product is 1/2.

Front

How do you divide fractions?

Back

To divide fractions, multiply by the reciprocal of the second fraction. For example, (a/b) ÷ (c/d) = (a/b) x (d/c).

Front

What is the reciprocal of 1/2?

Back

The reciprocal of 1/2 is 2/1 or simply 2.

Front

If you have 2 ÷ 1/4, what is the answer?

Back

The answer is 8.

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 1/2 of a whole?

Back

1/2 of a whole is equal to 0.5 or 50%.

Front

Brenda eats half a pan of brownies. If she shares the other half with 4 friends, how much does each friend get?

Back

Each friend gets 1/8 of the whole pan.

Front

What is the product of n x 4/6?

Back

The product depends on the value of n; it can be less than, equal to, or greater than 4/6.