DO NOW 11/21: 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) * (c/d) = (a*c)/(b*d).

Front

What is the product of 3/4 and 2/5?

Back

3/4 * 2/5 = 6/20, which simplifies to 3/10.

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) * (d/c).

Front

What is the reciprocal of a fraction?

Back

The reciprocal of a fraction is obtained by swapping its numerator and denominator. For example, the reciprocal of 3/4 is 4/3.

Front

What is the product of 1/2 and 3/8?

Back

1/2 * 3/8 = 3/16.

Front

What is the reciprocal of 4/5?

Back

The reciprocal of 4/5 is 5/4.

Front

How do you simplify a fraction?

Back

To simplify a fraction, divide both the numerator and the denominator by their greatest common divisor (GCD).

Front

What is the product of 9/12 and 2/3?

Back

9/12 * 2/3 = 18/36, which simplifies to 1/2.

Front

What is the product of 5/6 and 1/2?

Back

5/6 * 1/2 = 5/12.