Finite Math Examples

Simplify 1-9/21*8/20*7/19
Step 1
Simplify each term.
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Step 1.1
Cancel the common factor of and .
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Step 1.1.1
Factor out of .
Step 1.1.2
Cancel the common factors.
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Step 1.1.2.1
Factor out of .
Step 1.1.2.2
Cancel the common factor.
Step 1.1.2.3
Rewrite the expression.
Step 1.2
Cancel the common factor of and .
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Step 1.2.1
Factor out of .
Step 1.2.2
Cancel the common factors.
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Step 1.2.2.1
Factor out of .
Step 1.2.2.2
Cancel the common factor.
Step 1.2.2.3
Rewrite the expression.
Step 1.3
Multiply .
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Step 1.3.1
Multiply by .
Step 1.3.2
Multiply by .
Step 1.3.3
Multiply by .
Step 1.4
Cancel the common factor of .
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Step 1.4.1
Move the leading negative in into the numerator.
Step 1.4.2
Factor out of .
Step 1.4.3
Cancel the common factor.
Step 1.4.4
Rewrite the expression.
Step 1.5
Multiply by .
Step 1.6
Multiply by .
Step 1.7
Move the negative in front of the fraction.
Step 2
Simplify the expression.
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Step 2.1
Write as a fraction with a common denominator.
Step 2.2
Combine the numerators over the common denominator.
Step 2.3
Subtract from .
Step 3
The result can be shown in multiple forms.
Exact Form:
Decimal Form: