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Byju's Answer
Standard VII
Mathematics
Introduction: Decimal
Arrange the f...
Question
Arrange the following rational numbers in ascending order:
(i)
3
5
,
-
17
-
30
,
8
-
15
,
-
7
10
(ii)
-
4
9
,
5
-
12
,
7
-
18
,
2
-
3
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Solution
(i) Ascending order:
Since
,
LCM
of
5
,
-
30
,
-
15
,
10
is
30
.
Multiplying
the
numerators
and
denominators
to
get
the
denominator
equal
to
the
LCM
,
3
5
=
3
×
6
5
×
6
=
18
30
,
17
30
=
17
×
1
30
×
1
=
17
30
,
8
-
15
=
-
8
×
2
15
×
2
=
-
16
30
,
-
7
10
=
-
7
×
3
10
×
3
=
-
21
30
.
Order
is
-
21
<
-
16
<
17
<
8
.
Order
is
-
7
10
<
8
-
15
<
17
30
<
3
5
.
(ii)
Since
,
LCM
of
9
,
-
12
,
-
18
,
3
is
36
.
Multiplying
the
numerators
and
denominators
to
get
the
denominator
equal
to
the
LCM
,
-
4
9
=
-
4
×
4
9
×
4
=
-
16
36
5
-
12
=
-
5
×
3
12
×
3
=
-
15
36
7
-
18
=
-
7
×
2
18
×
2
=
-
14
36
2
-
3
=
-
2
×
12
3
×
12
=
-
24
36
.
Order
is
-
24
<
-
16
<
-
15
<
-
14
.
Order
is
2
-
3
<
-
4
9
<
5
-
12
<
7
-
18
.
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Similar questions
Q.
Arrange the following rational numbers in descending order:
(i)
-
2
5
,
7
-
10
,
-
11
15
,
19
-
30
(ii)
-
2
,
-
13
6
,
8
-
3
,
1
3
(iii)
-
4
9
,
5
-
12
,
-
7
18
,
2
-
3
(iv)
17
-
30
,
11
-
15
,
-
7
10
,
3
5