Multiplying and Dividing Fractions Word Problems

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 does it mean to divide fractions?

Back

Dividing fractions involves multiplying by the reciprocal of the second fraction. For example, (a/b) ÷ (c/d) = (a/b) * (d/c).

Front

How do you solve a word problem involving multiplication of fractions?

Back

Identify the fractions involved, determine if you need to multiply them, and then perform the multiplication.

Front

How do you solve a word problem involving division of fractions?

Back

Identify the fractions involved, determine if you need to divide them, and then multiply by the reciprocal of the second fraction.

Front

If Keisha needs 1/2 of a potato per guest for 9 guests, how many potatoes does she need?

Back

4 1/2 potatoes.

Front

Jackson’s mother buys 4 packs of hamburger meat, each containing 2/3 of a pound. How much total meat did she buy?

Back

Multiply: 4 * (2/3) = 8/3 or 2 2/3 pounds.

Front

If Rachel eats 1/2 of the remaining 1/3 pizza, what fraction of a pizza does she eat?

Back

Multiply: (1/2) * (1/3) = 1/6 of a pizza.

Front

Deandre has 8 pints of milk and drinks 1/4 pint each day. How long will the milk last?

Back

32 days.

Front

Mrs. Diego has 3 cups of sugar and divides it into containers of 1/3 cup. How many containers can she fill?

Back

9 containers.