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Algebra Examples
Popular Problems
Algebra
Reduce the Fraction 18/81
18
81
18
81
Step 1
Factor
9
9
out of
18
18
.
9
(
2
)
81
9
(
2
)
81
Step 2
Cancel the
common factors
.
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Step 2.1
Factor
9
9
out of
81
81
.
9
⋅
2
9
⋅
9
9
⋅
2
9
⋅
9
Step 2.2
Cancel the
common factor
.
9
⋅
2
9
⋅
9
9
⋅
2
9
⋅
9
Step 2.3
Rewrite the
expression
.
2
9
2
9
2
9
2
9
1
8
8
1
1
8
8
1
(
(
)
)
|
|
[
[
]
]
√
√
≥
≥
7
7
8
8
9
9
≤
≤
4
4
5
5
6
6
/
/
^
^
×
×
>
>
∩
∩
∪
∪
1
1
2
2
3
3
-
-
+
+
÷
÷
<
<
π
π
∞
∞
,
,
0
0
.
.
%
%
=
=
⎡
⎢
⎣
x
2
1
2
√
π
∫
x
d
x
⎤
⎥
⎦
[
x
2
1
2
π
∫
x
d
x
]
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