Page 284 - Basic College Mathematics with Early Integers

Chapter 3 Vocabulary Check

Fill in each blank with one of the words or phrases listed below.
mixed number complex fraction like numerator prime factorization
composite number equivalent cross products least common denominator denominator
prime number improper fraction simplest form undefined 0
reciprocals proper fraction
1. Two numbers are of each other if their product is 1.
2. A(n) is a natural number greater than 1 that is not prime.
3. Fractions that represent the same portion of a whole are called fractions.
4. A(n) is a fraction whose numerator is greater than or equal to its denominator.
5. A(n) is a natural number greater than 1 whose only factors are 1 and itself.
6. A fraction is in when the numerator and the denominator have no factors in common
other than 1.
7. A(n) is one whose numerator is less than its denominator.
8. A(n) contains a whole number part and a fraction part.
7
9. In the fraction , the 7 is called the and the 9 is called the .
9
10. The of a number is the factorization in which all the factors are prime numbers.
3
11. The fraction is .
0
0
12. The fraction = .
5
13. Fractions that have the same denominator are called
fractions. Are you preparing for
14. The LCM of the denominators in a list of fractions is called the your test? Don’t forget to take the
. Chapter 3 Test on page 271.Then check
your answers at the back of the text and
15. A fraction whose numerator or denominator or both numerator and
denominator contain fractions is called a(n) . use the Chapter Test Prep Videos to see
the fully worked-out solutions to any of
a c
#
#
16. In = , a d and b c are called . the exercises you want to review.
b d
3 Chapter Highlights

Definitions and Concepts Examples
Section 3.1 Introduction to Fractions and Mixed Numbers

A fraction is of the form Write a fraction to represent the shaded part of the figure.
numerator ; number of parts being considered
denominator ; number of equal parts in the whole ≈ number of parts shaded
number of equal parts

1 2 7 100
A fraction is called a proper fraction if its numerator is Proper Fractions:,,,
less than its denominator. 3 5 8 101
5 2 9 101
A fraction is called an improper fraction if its numerator Improper Fractions:,,,
is greater than or equal to its denominator. 4 2 7 100
1 7 9
A mixed number contains a whole number and a fraction. Mixed Numbers: 1 , 5 , 25
2 8 10
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