Subtract the fractions. Write the answer in lowest terms.
69)
7
12
–1
16
69)
A)
25
48
B)
1
6
C)
3
16
D)
1
8
Add. Write the answer in lowest terms as a mixed number.
70)
34
5
18 1
2
+2
5
70)
A)
22 7
10
B)
23 7
10
C)
21 7
10
D)
22 1
2
Find the difference and simplify the answer.
71)
3
21 –2
21
71)
A)
1
2
B)
1
21
C)
1
3
D)
1
7
Subtract the fractions. Write the answer in lowest terms.
72)
5
7
–1
2
72)
A)
4
7
B)
1
7
C)
3
14
D)
4
9
73)
4
5–3
20
73)
A)
3
5
B)
1
20
C)
7
10
D)
13
20
74)
5
7
–3
13
74)
A)
44
7
B)
44
91
C)
2
91
D)
91
44
Find the length of the section represented by x in the figure.
75)
a=11
8
b=65
8
75)
A)
43
8
B)
65
8
C)
45
8
D)
11 1
8
Find the least common multiple for the set of numbers.
76)
8 and 12
76)
A)
20
B)
24
C)
48
D)
2
Find the least common multiple of the denominators of the fractions.
77)
23
360, 11
540
77)
A)
5400
B)
120
C)
1080
D)
180
Find the sum and simplify the answer.
78)
5
19
+3
19
78)
A)
9
20
B)
8
19
C)
7
19
D)
7
18
Refer to the circle graph to solve the problem.
Time Required to Install Carpeting in a House
(Work Shift = 8 hours)
79)
In which activity was the greatest amount of time spent? How many hours did this activity take?
79)
A)
Installing new carpet; 3 hours
B)
Removing old carpet; 1 hour
C)
Cleaning up; 1
2 hour
D)
Moving furniture; 31
2 hours
Use the order of operations to simplify the expression.
80)
2+1
2
2
–3
8
80)
A)
33
8
B)
17
8
C)
– 1 3
8
D)
17
8
Solve the problem. Write the answer in lowest terms.
81)
A nursery supplier has 7
8 acre of land, and he purchases another 1
8 acre. He wants to plant trees
and shrubs, and he has already planted 5
8 acre with shrubs. How much land is left to plant trees?
81)
A)
–3
8 acre
B)
3
16 acre
C)
3
8 acre
D)
15
8 acre
Solve the problem. Write your answer as a mixed number when possible.
82)
Karl Mason sold 1
4 gross of data disks on Monday, 1
8 gross on Tuesday, and 5
12 on Wednesday.
What was the total gross sold?
82)
A)
19
24 gross
B)
1
3 gross
C)
5
6 gross
D)
14
12 gross
First estimate the answer. Then add or subtract to find the exact answer. Write answer as a mixed number.
83)
51
2
+81
3
83)
A)
Estimate: 14; Exact: 13 1
5
B)
Estimate: 13; Exact: 13 5
6
C)
Estimate: 14; Exact: 13 5
6
D)
Estimate: 13; Exact: 13 2
5
Add the fractions. Write the answer in lowest terms.
84)
3
4
+1
9
84)
A)
4
13
B)
8
9
C)
4
9
D)
31
36
26
Locate the fraction on the number line.
85)
17
8
85)
A)
17
8
B)
17
8
C)
17
8
D)
17
8
Simplify the expression.
86)
7
4
2
86)
A)
31
16
B)
4
7
C)
12 1
4
D)
7
16
Use the order of operations to simplify the expression.
87)
5
6
3
·2
5
3
87)
A)
1
3
B)
25
108
C)
1
27
D)
4
75
Find the sum and simplify the answer.
88)
12
84 +13
84 +16
84
88)
A)
86
84
B)
25
84
C)
41
252
D)
41
84
Subtract the fractions. Write the answer in lowest terms.
89)
4
5
–3
20
89)
A)
3
5
B)
1
20
C)
7
10
D)
13
20
Find the diameter of the circle.
90)
1
7
1
7
3
4
90)
A)
13
4
B)
5
7
C)
26
7
D)
13
28
Find the difference and simplify the answer.
91)
663
308 –419
308
91)
A)
379
154
B)
61
77
C)
901289
308
D)
61
154
Use the order of operations to simplify the expression.
92)
3
5·1
2+2
7·1
6
92)
A)
146
21
B)
73
105
C)
73
210
D)
10
13
Write < or > to make a true statement.
93)
1
5 ____ 2
11
93)
A)
<
B)
>
Locate the fraction on the number line.
94)
31
3
94)
A)
31
3
B)
31
3
C)
31
3
D)
31
3
95)
1
5
95)
A)
1
5
B)
1
5
C)
1
5
D)
1
5
Simplify the expression.
96)
5
2
4
96)
A)
2
5
B)
39 1
16
C)
3121
2
D)
5
16
Add. Write your answer in lowest terms.
97)
2
5+3
20
97)
A)
14
25
B)
1
5
C)
1
4
D)
11
20
Find the sum and simplify the answer.
98)
8
13 +1
13 +3
13
98)
A)
24
13
B)
12
13
C)
24
2197
D)
12
39
Find the difference and simplify the answer.
99)
28
13
–5
13
99)
A)
1
2
B)
2
3
C)
110
13
D)
27
13
Locate the fraction on the number line.
100)
6
5
100)
A)
6
5
B)
6
5
C)
6
5
D)
6
5
Subtract the fractions. Write the answer in lowest terms.
101)
1
5
–1
11
101)
A)
6
55
B)
1
5
C)
6
5
D)
1
55
Add. Write the answer in lowest terms as a mixed number.
102)
61
2
+13 4
9
102)
A)
617
18
B)
18 17
18
C)
20 17
18
D)
19 17
18
Add. Write your answer in lowest terms.
103)
1
4+5
12
103)
A)
1
2
B)
3
8
C)
2
3
D)
3
2
Find the sum and simplify the answer.
104)
4
26
+3
26
104)
A)
6
25
B)
7
26
C)
8
27
D)
3
13
Solve the problem. Write the answer in lowest terms.
105)
Mr. Howard installed 1
16 –inch roofing shingles on top of a 5
16 –inch thick tar paper. What was the
combined thickness of the two layers of materials?
105)
A)
3
8 inch
B)
1
3 inch
C)
3
32 inch
D)
1
4 inch
Find the least common multiple of the denominators of the fractions.
106)
103
525, 29
3555
106)
A)
124,425
B)
525
C)
33,075
D)
2205
Simplify the expression.
107)
2
5
2
107)
A)
2
25
B)
4
25
C)
21
2
D)
4
5
Locate the fraction on the number line.
108)
55
6
108)
A)
55
6
B)
55
6
C)
55
6
D)
55
6