38.Concept Check Which fraction is notequal to
A. B. C. D.
Find each product or quotient, and write it in lowest terms. See Examples 3 and 4.
43. 44. 45. 46.
47. 48. 49. 50.
51. 52. 53. 54.
55. 56. 57. 58.
59. 60. 61. 62.
63. 64. 65. 66.
67.Concept Check For the fractions and which one of the following can serve as a
common denominator?
A. B. C. D.
68.Concept Check Write a fraction with denominator 24 that is equivalent to
Find each sum or difference, and write it in lowest terms. See Examples 5–7.
73. 74. 75. 76.
77. 78. 79. 80.
81. 82. 83. 84.
85. 86. 87. 88.
89. 90. 91. 92.
Use the table to answer Exercises 93 and 94.
5
1
3
- 4
1
2
6
1
4
- 5
1
3
3
4
5
- 1
4
9
4
3
4
- 1
2
5
11
16
-
1
12
7
12
-
1
9
5
6
-
1
2
7
12
-
1
3
11
12
-
3
12
13
15
-
3
15
8
11
-
3
11
7
9
-
2
9
5
3
4
+ 1
1
3
3
1
4
+ 1
4
5
4
2
3
+ 2
1
6
3
1
8
+ 2
1
4
5
6
+
2
9
3
8
+
5
6
4
15
+
1
5
5
9
+
1
3
3
16
+
5
16
7
12
+
1
12
2
9
+
5
9
7
15
+
4
15
5
8.
q#s q+s p#r p+r
r
s,
p
q
2
3
10
, 1
4
5
2
5
8
, 1
15
32
2
2
9
, 1
2
5
2
1
2
, 1
5
7
5
3
5
,
7
10
6
3
4
,
3
8
8 ,
4
9
6 ,
3
5
2
5
, 30
3
4
, 12
24
7
,
6
21
32
5
,
8
15
7
5
,
3
10
5
4
,
3
8
3
3
5
# 7 1
6
2
3
8
# 3 1
5
2
2
3
# 1 3
5
3
1
4
# 1 2
3
36 #
4
9
21 #
3
7
21
8
#^4
7
15
4
#^8
25
1
8
#^10
7
1
10
#^12
5
3
5
#^20
21
2
3
#^15
16
5
9
#^2
7
4
5
#^6
7
55
99
40
74
30
54
15
27
5
9?
SECTION 1.1 Fractions 11
Microwave Stove Top
Servings 1146
Water cup 1 cup 3 cups 4 cups
Grits 3 Tbsp 3 Tbsp cup 1 cup
Salt (optional) Dash Dash^14 tsp^12 tsp
3
4
3
4
Source:Package of Quaker Quick Grits.
93.How many cups of water would
be needed for eight microwave
servings?
94.How many teaspoons of salt
would be needed for five stove-top
servings? (Hint: 5 is halfway
between 4 and 6.)