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Byju's Answer
Standard VIII
Mathematics
Addition and Subtraction of Negative Numbers Using Algebra
Simplify:i 49...
Question
Simplify:
(i)
4
9
÷
-
5
12
(ii)
-
8
÷
-
7
16
(iii)
-
12
7
÷
-
18
(iv)
-
1
10
÷
-
8
5
(v)
-
16
35
÷
-
15
14
(vi)
-
65
14
÷
13
7
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Solution
(
i
)
4
9
÷
-
5
12
=
4
9
×
12
-
5
=
4
×
12
9
×
-
5
=
48
-
45
=
-
48
45
=
-
16
15
(
ii
)
-
8
÷
-
7
16
=
-
8
×
16
-
7
=
8
×
16
7
=
128
7
(
iii
)
-
12
7
÷
(
-
18
)
=
-
12
7
×
1
-
18
=
12
126
=
12
÷
3
126
÷
3
=
4
42
=
4
÷
2
42
÷
2
=
2
21
(
iv
)
-
1
10
÷
-
8
5
=
-
1
10
×
5
-
8
=
5
80
=
5
÷
5
80
÷
5
=
1
16
(
v
)
-
16
35
÷
-
15
14
=
-
16
35
×
14
-
15
=
224
525
(
vi
)
-
65
14
÷
13
7
=
-
65
14
×
7
13
=
-
5
2
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0
Similar questions
Q.
Simplify:
(i)
13
8
×
12
13
+
-
4
9
×
3
-
2
(ii)
16
15
×
-
25
8
+
-
14
27
×
6
7
(iii)
6
55
×
-
22
9
-
26
125
×
-
10
39
(iv)
-
12
7
×
-
14
27
-
-
8
45
×
9
16
Q.
Add the following rational numbers:
(i)
12
7
and
3
7
(ii)
-
2
5
and
1
5
(iii)
3
-
8
and
1
8
(iv)
-
5
11
and
7
-
11
(v)
9
-
13
and
-
11
-
13
(vi)
-
2
9
and
-
5
9
(vii)
-
17
9
and
-
11
9
(viii)
-
3
7
and
5
-
7
Q.
Simplify:
(i)
173
×
173
×
173
+
127
×
127
×
127
173
×
173
-
173
×
127
+
127
×
127
(ii)
155
×
155
×
155
-
55
×
55
×
55
155
×
155
+
155
×
55
+
55
×
55
(iii)
1
.
2
×
1
.
2
×
1
.
2
-
0
.
2
×
0
.
2
×
0
.
2
1
.
2
×
1
.
2
+
1
.
2
×
0
.
2
+
0
.
2
×
0
.
2