Pre-Algebra Examples

Find the Perimeter rectangle (7/18)(7/9)
Step 1
The perimeter of a rectangle is equal to the sum of all sides of the rectangle.
Step 2
Substitute the values of the length and width into the formula for the perimeter of a rectangle.
Step 3
Simplify each term.
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Step 3.1
Cancel the common factor of .
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Step 3.1.1
Factor out of .
Step 3.1.2
Cancel the common factor.
Step 3.1.3
Rewrite the expression.
Step 3.2
Multiply .
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Step 3.2.1
Combine and .
Step 3.2.2
Multiply by .
Step 4
Simplify terms.
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Step 4.1
Combine the numerators over the common denominator.
Step 4.2
Add and .
Step 4.3
Cancel the common factor of and .
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Step 4.3.1
Factor out of .
Step 4.3.2
Cancel the common factors.
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Step 4.3.2.1
Factor out of .
Step 4.3.2.2
Cancel the common factor.
Step 4.3.2.3
Rewrite the expression.
Step 5
The result can be shown in multiple forms.
Exact Form:
Decimal Form:
Mixed Number Form: