D?
VE
RO
PP
_A
IA
UV
ST
, D?
VE
RO
PP
_A
IA
UV
ST
, D?
VE
RO
PP
_A
IA
UV
ST
, Chapter 0: A Brief Review of Arithmetic Skills ISM: Beginning Algebra
5 ? 5 × 6 30 0.2 Exercises
44. = ⇒ =
9 54 9 × 6 54
2. You must change the fractions to equivalent
fractions with a common denominator.
5 ? 5 × 5 25
46. = ⇒ =
ST
9 45 9 × 5 45 21 17
4. and
30 20
13 ? 13 × 3 39
48. = ⇒ = 30 = 2 ⋅ 3 ⋅ 5
17 51 17 × 3 51 20 = 2 ⋅ 2 ⋅ 5
LCD = 2 ⋅ 2 ⋅ 3 ⋅ 5 = 60
UV
10 ? 10 × 4 40
50. = ⇒ =
15 60 15 × 4 60 5 1
6. and
18 24
7 ? 7 × 5 35 18 = 2 ⋅ 3 ⋅ 3
52. = ⇒ =
8 40 8 × 5 40 24 = 2 ⋅ 2 ⋅ 2 ⋅ 3
LCD = 2 ⋅ 2 ⋅ 2 ⋅ 3 ⋅ 3 = 72
45 × 2 90
IA
45 ?
54. = ⇒ =
50 100 50 × 2 100 5 7
8. and
16 48
20 5× 4 5 16 = 2 ⋅ 2 ⋅ 2 ⋅ 2
56. = =
424 106 × 4 106 48 = 2 ⋅ 2 ⋅ 2 ⋅ 2 ⋅ 3
_A
LCD = 2 ⋅ 2 ⋅ 2 ⋅ 2 ⋅ 3 = 48
1400 70 × 20 70
58. = =
2420 121× 20 121 11 7
10. and
12 20
3 3 12 = 2 ⋅ 2 ⋅ 3
60. = is raisins
PP
1+ 3 +1 5 20 = 2 ⋅ 2 ⋅ 5
LCD = 2 ⋅ 2 ⋅ 3 ⋅ 5 = 60
1+ 3 4
62. = does not contain nuts 7 8
1+ 3 +1 5 12. and
30 45
6 6 3× 2 3 30 = 2 ⋅ 3 ⋅ 5
RO
64. = = =
6 + 8 14 7 × 2 7 45 = 3 ⋅ 3 ⋅ 5
3 LCD = 2 ⋅ 3 ⋅ 3 ⋅ 5 = 90
of the students enrolled in 1994 were male.
7 1 3 9
14. , , and
Classroom Quiz 0.1 7 14 35
7=7
VE
56 7 × 8 7 14 = 2 ⋅ 7
1. = = 35 = 5 ⋅ 7
88 11× 8 11
LCD = 2 ⋅ 5 ⋅ 7 = 70
11 (5 × 14) + 11 70 + 11 81
2. 5 ⇒ = = 3 5 11
14 14 14 14 16. , , and
8 12 42
D?
109 1 8=2⋅2⋅2
3. =9 12 = 2 ⋅ 2 ⋅ 3
12 12
42 = 2 ⋅ 3 ⋅ 7
9
LCD = 2 ⋅ 2 ⋅ 2 ⋅ 3 ⋅ 7 = 168
12 109
108
1
2 Copyright © 2017 Pearson Education, Inc.
VE
RO
PP
_A
IA
UV
ST
, D?
VE
RO
PP
_A
IA
UV
ST
, D?
VE
RO
PP
_A
IA
UV
ST
, Chapter 0: A Brief Review of Arithmetic Skills ISM: Beginning Algebra
5 ? 5 × 6 30 0.2 Exercises
44. = ⇒ =
9 54 9 × 6 54
2. You must change the fractions to equivalent
fractions with a common denominator.
5 ? 5 × 5 25
46. = ⇒ =
ST
9 45 9 × 5 45 21 17
4. and
30 20
13 ? 13 × 3 39
48. = ⇒ = 30 = 2 ⋅ 3 ⋅ 5
17 51 17 × 3 51 20 = 2 ⋅ 2 ⋅ 5
LCD = 2 ⋅ 2 ⋅ 3 ⋅ 5 = 60
UV
10 ? 10 × 4 40
50. = ⇒ =
15 60 15 × 4 60 5 1
6. and
18 24
7 ? 7 × 5 35 18 = 2 ⋅ 3 ⋅ 3
52. = ⇒ =
8 40 8 × 5 40 24 = 2 ⋅ 2 ⋅ 2 ⋅ 3
LCD = 2 ⋅ 2 ⋅ 2 ⋅ 3 ⋅ 3 = 72
45 × 2 90
IA
45 ?
54. = ⇒ =
50 100 50 × 2 100 5 7
8. and
16 48
20 5× 4 5 16 = 2 ⋅ 2 ⋅ 2 ⋅ 2
56. = =
424 106 × 4 106 48 = 2 ⋅ 2 ⋅ 2 ⋅ 2 ⋅ 3
_A
LCD = 2 ⋅ 2 ⋅ 2 ⋅ 2 ⋅ 3 = 48
1400 70 × 20 70
58. = =
2420 121× 20 121 11 7
10. and
12 20
3 3 12 = 2 ⋅ 2 ⋅ 3
60. = is raisins
PP
1+ 3 +1 5 20 = 2 ⋅ 2 ⋅ 5
LCD = 2 ⋅ 2 ⋅ 3 ⋅ 5 = 60
1+ 3 4
62. = does not contain nuts 7 8
1+ 3 +1 5 12. and
30 45
6 6 3× 2 3 30 = 2 ⋅ 3 ⋅ 5
RO
64. = = =
6 + 8 14 7 × 2 7 45 = 3 ⋅ 3 ⋅ 5
3 LCD = 2 ⋅ 3 ⋅ 3 ⋅ 5 = 90
of the students enrolled in 1994 were male.
7 1 3 9
14. , , and
Classroom Quiz 0.1 7 14 35
7=7
VE
56 7 × 8 7 14 = 2 ⋅ 7
1. = = 35 = 5 ⋅ 7
88 11× 8 11
LCD = 2 ⋅ 5 ⋅ 7 = 70
11 (5 × 14) + 11 70 + 11 81
2. 5 ⇒ = = 3 5 11
14 14 14 14 16. , , and
8 12 42
D?
109 1 8=2⋅2⋅2
3. =9 12 = 2 ⋅ 2 ⋅ 3
12 12
42 = 2 ⋅ 3 ⋅ 7
9
LCD = 2 ⋅ 2 ⋅ 2 ⋅ 3 ⋅ 7 = 168
12 109
108
1
2 Copyright © 2017 Pearson Education, Inc.
