Basic Math Examples

Simplify (21r^9)/(7r^5)+(80r^8)/(10r^4)
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
Multiply by .
Step 1.2.2.2
Cancel the common factor.
Step 1.2.2.3
Rewrite the expression.
Step 1.2.2.4
Divide by .
Step 1.3
Cancel the common factor of and .
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Step 1.3.1
Factor out of .
Step 1.3.2
Cancel the common factors.
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Step 1.3.2.1
Factor out of .
Step 1.3.2.2
Cancel the common factor.
Step 1.3.2.3
Rewrite the expression.
Step 1.4
Cancel the common factor of and .
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Step 1.4.1
Factor out of .
Step 1.4.2
Cancel the common factors.
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Step 1.4.2.1
Multiply by .
Step 1.4.2.2
Cancel the common factor.
Step 1.4.2.3
Rewrite the expression.
Step 1.4.2.4
Divide by .
Step 2
Add and .