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Byju's Answer
Standard VII
Mathematics
Introduction: Decimal
Express each ...
Question
Express each of the following rational numbers to the lowest form:
(i)
4
22
(ii)
-
36
180
(iii)
132
-
428
(iv)
-
32
-
56
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Solution
Lowest form of:
(
i
)
4
22
is
:
4
=
2
×
2
22
=
2
×
11
HCF
of
4
and
22
is
2
.
D
ividing
the
fraction
by
2
,
we
get
2
11
.
(
ii
)
-
36
180
is
:
36
=
3
×
3
×
2
×
2
180
=
5
×
3
×
3
×
2
×
2
HCF
of
36
and
180
is
36
.
D
ividing
the
fraction
by
36
,
we
get
-
1
5
(
iii
)
132
-
428
is
:
132
=
2
×
3
×
2
×
11
428
=
2
×
2
×
107
HCF
of
132
and
428
is
4
.
D
ividing
the
fraction
by
4
,
we
get
33
-
107
(
iv
)
-
32
-
56
is
:
32
=
2
×
2
×
2
×
2
×
2
56
=
2
×
2
×
2
×
7
HCF
of
32
and
56
is
8
.
D
ividing
the
fraction
by
8
,
we
get
4
7
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Q.
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(i)
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(ii)
-
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(iii)
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(iv)
-
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Q.
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(ii)
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