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Basic Math Examples
,
Step 1
Rewrite the division as a fraction.
Step 2
Step 2.1
Factor out of .
Step 2.2
Cancel the common factors.
Step 2.2.1
Factor out of .
Step 2.2.2
Cancel the common factor.
Step 2.2.3
Rewrite the expression.
Step 3
The mean of a set of numbers is the sum divided by the number of terms.
Step 4
Step 4.1
Factor out of .
Step 4.2
Factor out of .
Step 4.3
Factor out of .
Step 4.4
Cancel the common factors.
Step 4.4.1
Factor out of .
Step 4.4.2
Cancel the common factor.
Step 4.4.3
Rewrite the expression.
Step 4.4.4
Divide by .
Step 5
To write as a fraction with a common denominator, multiply by .
Step 6
Combine and .
Step 7
Combine the numerators over the common denominator.
Step 8
Step 8.1
Multiply by .
Step 8.2
Add and .
Step 9
Divide.