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 divide fractions?

Back

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

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a fraction, such as 2 1/2.

Front

Convert the mixed number 5 1/3 to an improper fraction.

Back

5 1/3 = 16/3.

Front

What is the reciprocal of a fraction?

Back

The reciprocal of a fraction a/b is b/a. For example, the reciprocal of 2/3 is 3/2.

Front

How do you convert a fraction to a decimal?

Back

To convert a fraction to a decimal, divide the numerator by the denominator. For example, 1/4 = 0.25.

Front

What does it mean to solve a word problem involving fractions?

Back

It means to translate the problem into a mathematical equation using fractions and then solve it.

Front

If Lana used 1 ½ gallons to paint ¾ of a room, how much paint is needed for the whole room?

Back

2 gallons.

Front

How many dogs can Seane feed with a 30 lb bag of dog food if each dog eats 2/5 lb?

Back

75 dogs.

Front

What is the result of 2 ÷ ¼?

Back

8.