Multiplying and Dividing Fractions

Front

What is a fraction?

Back

A fraction represents a part of a whole and is written as 'a/b', where 'a' is the numerator (part) and 'b' is the denominator (whole).

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 reciprocal of a fraction?

Back

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

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 product of 3/4 and 2/5?

Back

The product is (3*2)/(4*5) = 6/20, which simplifies to 3/10.

Front

What is 9 ÷ 1/3?

Back

9 ÷ 1/3 = 9 * 3/1 = 27.

Front

If a pizza is cut into 8 equal slices, what fraction of the pizza is one slice?

Back

One slice is 1/8 of the pizza.

Front

How many 1/4 cups are in 2 cups?

Back

There are 2 ÷ 1/4 = 2 * 4/1 = 8 quarter cups in 2 cups.

Front

What is 5 ÷ 1/2?

Back

5 ÷ 1/2 = 5 * 2/1 = 10.

Front

If you have 3/5 of a chocolate bar and you eat 1/5, how much is left?

Back

You have 3/5 - 1/5 = 2/5 of the chocolate bar left.