Basic Math Examples

Simplify 18/21
18211821
Step 1
Factor 33 out of 1818.
3(6)213(6)21
Step 2
Cancel the common factors.
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Step 2.1
Factor 33 out of 2121.
36373637
Step 2.2
Cancel the common factor.
3637
Step 2.3
Rewrite the expression.
67
67
Step 3
The result can be shown in multiple forms.
Exact Form:
67
Decimal Form:
0.857142
 [x2  12  π  xdx ]