Basic Mathematics for College Students

Two observations can be made from this result. The numerator of the answer is the product of the numerators of the original fra ...

Simplify answers when multiplying fractions. After multiplying two fractions, we need to simplify the result, if possible. To do ...

The rule for multiplying two fractions can be extended to find the product of three or more fractions. 224 Chapter 3 Fractions a ...

Solve application problems by multiplying fractions. The key word ofoften appears in application problems involving fractions. W ...

Find the area of a triangle. As the figures below show, a triangle has three sides. The length of the base of the triangle can b ...

Area of a Triangle The area Aof a triangle is one-half the product of its base band its height h. The Language of MathematicsThe ...

228 Chapter 3 Fractions and Mixed Numbers Fill in the blanks. When a fraction is followed by the word of,such as of, it indicat ...

Multiply.See Example 2. Multiply.See Example 3. Multiply. Write the product in simples ...

Complete the multiplication table of fractions. Complete the table by finding the original fraction, given its square. Multipl ...

ELECTIONS The final election returns for a city bond measure are shown below. a. Find the total number of votes cast. b. Find t ...

WINDSURFING Estimate the area of the sail on the windsurfing board. TILE DESIGN A design for bathroom tile is shown. Find the a ...

3.3 Dividing Fractions 233 We will now discuss how to divide fractions. The fraction multiplication skills that you learned in S ...

Caution! Don’t confuse the concepts of the oppositeof a negative number and the reciprocalof a negative number. For example: The ...

These observations suggest the following rule for dividing two fractions. Dividing Fractions To divide two fractions, multiply t ...

Because of the relationship between multiplication and division, the sign rules for dividingfractions are the same as those for ...

Solve application problems by dividing fractions. Problems that involve forming equal-sized groups can be solved by division. 3 ...

238 Chapter 3 Fractions and Mixed Numbers Analyze The surfboard is to have a -inch-thick fiberglass finish. Given Each layer of ...

3.3 Dividing Fractions 239 Fill in the blanks. The of is. To find the reciprocal of a fraction, the numerator and denominator. ...

Divide. Simplify each quotient, if possible.See Example 3. Divide. Simplify each quotient, if possible.See Example ...

d. Which route will require the fewer number of days to install the cable? PRODUCTION PLANNING The materials used to make a pil ...