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 two fractions?

Back

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

Front

What is the result of 1/2 x 5/8?

Back

5/16

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 result of 4/9 ÷ 1/2?

Back

8/9

Front

What does it mean to find a fraction of a number?

Back

Finding a fraction of a number means multiplying the number by the fraction. For example, 1/3 of 12 is 12 x 1/3 = 4.

Front

What is 3/5 x 2/9?

Back

6/45

Front

If a student council bought 24 roses and 1/4 were white, how many white roses were there?

Back

6

Front

What is the formula for multiplying fractions?

Back

(Numerator1 x Numerator2) / (Denominator1 x Denominator2) = Resulting Fraction.

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.