Basic Mathematics for College Students

Success Tip We can use rounding to check the results when multiplying mixed numbers. If the fractional part of the mixed number ...

Solve application problems by multiplying and dividing mixed numbers. 6 3.5 Multiplying and Dividing Mixed Numbers 263 Write the ...

264 Chapter 3 Fractions and Mixed Numbers Solution Alw This is the formula for the area of a rectangle. Substitute for land for ...

3.5 Multiplying and Dividing Mixed Numbers 265 , 2. 3. a. b. c. 17 d. 3 4. a. 779 b. 36 c. 9 32 6. a. 1 95 b. 6 52 7. 26 1613 ...

Fill in the blanks. a. We read as “five eleven- .” b. We read as “ four and -thirds.” Determine the sign of the result.You do ...

Write each mixed number as an improper fraction. See Example 2. Write each improper fraction as a mixe ...

Find the product of , 6, and. Find the product of , , and. 89. 90. In the illustration below, each barrel r ...

ONLINE SHOPPING A mother is ordering a pair of jeans for her daughter from the screen shown below. If the daughter’s height is ...

CEMENT MIXERS A cement mixer can carry cubic yards of concrete. If it makes 8 trips to a job site, how much concrete will be de ...

3.6 Adding and Subtracting Mixed Numbers 271 In this section, we discuss several methods for adding and subtracting mixed number ...

Success Tip We can use rounding to check the results when adding (or subtracting) mixed numbers. To check the answer from Exampl ...

Caution! If we use method 1 to add the mixed numbers in Example 3, the numbers we encounter are very large. As expected, the res ...

274 Chapter 3 Fractions and Mixed Numbers Self Check 4 Add: Now TryProblem 25 71 5 8  23 1 3 EXAMPLE 4 Add: StrategyWe will per ...

When we add mixed numbers, sometimes the sum of the fractions is an improper fraction. 3.6 Adding and Subtracting Mixed Numbers ...

Subtraction of mixed numbers (like subtraction of whole numbers) sometimes involves borrowing. When the fraction we are subtract ...

EXAMPLE (^10) Horse Racing In order to become the Triple Crown Champion, a thoroughbred horse must win three races: the Kentucky ...

278 Chapter 3 Fractions and Mixed Numbers “Americans are not getting the sleep they need which may affect their ability to perfo ...

Fill in the blanks. A number, such as , contains a whole-number part and a fractional part. We can add (or subtract) mixed numb ...

Consider the following problem: Since we don’t want an improper fraction in the answer, we write as , the 1, and add it to 78 ...

Subtract and simplify, if possible.See Example 7. Subtract.See Example 8. Subtract.See Example 9. ...