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Basic Math Examples
, ,
Step 1
Rewrite the division as a fraction.
Step 2
The mean of a set of numbers is the sum divided by the number of terms.
Step 3
Step 3.1
To write as a fraction with a common denominator, multiply by .
Step 3.2
Combine and .
Step 3.3
Combine the numerators over the common denominator.
Step 3.4
Simplify the numerator.
Step 3.4.1
Multiply by .
Step 3.4.2
Add and .
Step 3.5
To write as a fraction with a common denominator, multiply by .
Step 3.6
Combine and .
Step 3.7
Combine the numerators over the common denominator.
Step 3.8
Simplify the numerator.
Step 3.8.1
Multiply by .
Step 3.8.2
Add and .
Step 4
Multiply the numerator by the reciprocal of the denominator.
Step 5
Step 5.1
Factor out of .
Step 5.2
Cancel the common factor.
Step 5.3
Rewrite the expression.
Step 6
Divide.