- Fill in the blanks.
a. For the fraction , the is 6 and the
is 7.
b. Two fractions are if they represent
the same number.
c. A fraction is in form when the
numerator and denominator have no common
factors other than 1.
d. To a fraction, we remove common
factors of the numerator and denominator.
e. The of is.
f. A number, such as , is the sum of a
whole number and a proper fraction.
g. and are examples of
fractions.
- See the illustration below.
a. What fractional part of the plant is above ground?
b. What fractional part of the plant is below ground? - Each region outlined in black represents one whole.
Write an improper fraction and a mixed number to
represent the shaded portion. - Graph , , , and on a number line.
− 2 − 10123
7
6
1
1
7
2
5
2
4
5
3
4
1
3
5
12
1
4
1
8
7
12
1169
5
4
4
5
6
7
- Are and equivalent?
- Express as an equivalent fraction with
denominator 24. - Simplify each fraction, if possible.
a. b.
- Simplify each fraction.
a. b.
- Add and simplify, if possible:
- Multiply and simplify, if possible:
- Divide and simplify, if possible:
- Subtract and simplify, if possible:
- Add and simplify, if possible:
- Multiply and simplify, if possible:
- Which fraction is larger: or?
- COFFEE DRINKERS Two-fifths of 100 adults
surveyed said they started their morning with a cup of
coffee. Of the 100, how many would this be? - THE INTERNET The graph below shows the
fraction of the total number of Internet searches that
were made using various sites in January 2009. What
fraction of the all the searches were done using
Google, Yahoo, or Microsoft sites?
Source: Marketingcharts.com
Google Sites
Online Search Share
January 2009
(^16) ––
25
AOL
Sites
––^1
25
Other
––^1
50
Yahoo
Sites
(^1) –
5
Microsoft
Sites
––^1
10
9
10
8
9
9
10
a
4
15
ba
25
18
b
3
7
2
11
12
11
30
4
3
2
9
3
4
a
1
5
b
3
16
7
16
72
180
27
36
9
0
0
15
7
8
5
15
1
3
311
CHAPTER 3 TEST