Basic Math Examples

Simplify 80-15-7.5-3 3/4
Step 1
Convert to an improper fraction.
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Step 1.1
A mixed number is an addition of its whole and fractional parts.
Step 1.2
Add and .
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Step 1.2.1
To write as a fraction with a common denominator, multiply by .
Step 1.2.2
Combine and .
Step 1.2.3
Combine the numerators over the common denominator.
Step 1.2.4
Simplify the numerator.
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Step 1.2.4.1
Multiply by .
Step 1.2.4.2
Add and .
Step 2
Find the common denominator.
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Step 2.1
Write as a fraction with denominator .
Step 2.2
Multiply by .
Step 2.3
Multiply by .
Step 2.4
Write as a fraction with denominator .
Step 2.5
Multiply by .
Step 2.6
Multiply by .
Step 2.7
Write as a fraction with denominator .
Step 2.8
Multiply by .
Step 2.9
Multiply by .
Step 3
Combine the numerators over the common denominator.
Step 4
Simplify each term.
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Step 4.1
Multiply by .
Step 4.2
Multiply by .
Step 4.3
Multiply by .
Step 5
Reduce the expression by cancelling the common factors.
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Step 5.1
Subtract from .
Step 5.2
Simplify by subtracting numbers.
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Step 5.2.1
Subtract from .
Step 5.2.2
Subtract from .
Step 5.3
Cancel the common factor of and .
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Step 5.3.1
Rewrite as .
Step 5.3.2
Cancel the common factors.
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Step 5.3.2.1
Rewrite as .
Step 5.3.2.2
Cancel the common factor.
Step 5.3.2.3
Rewrite the expression.
Step 6
The result can be shown in multiple forms.
Exact Form:
Decimal Form:
Mixed Number Form: