Basic Math Examples

$91$ , $69$ , $75$ , $52$ , $86$ , $86$

Step 1

The mean of a set of numbers is the sum divided by the number of terms.

$\frac{91 + 69 + 75 + 52 + 86 + 86}{6}$

Step 2

Simplify the numerator.

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Step 2.1

Add $91$ and $69$ .

$\frac{160 + 75 + 52 + 86 + 86}{6}$

Step 2.2

Add $160$ and $75$ .

$\frac{235 + 52 + 86 + 86}{6}$

Step 2.3

Add $235$ and $52$ .

$\frac{287 + 86 + 86}{6}$

Step 2.4

Add $287$ and $86$ .

$\frac{373 + 86}{6}$

Step 2.5

Add $373$ and $86$ .

$\frac{459}{6}$

Step 3

Cancel the common factor of $459$ and $6$ .

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Step 3.1

Factor $3$ out of $459$ .

$\frac{3 (153)}{6}$

Step 3.2

Cancel the common factors.

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Step 3.2.1

Factor $3$ out of $6$ .

$\frac{3 \cdot 153}{3 \cdot 2}$

Step 3.2.2

Cancel the common factor.

$\frac{3 \cdot 153}{3 \cdot 2}$

Step 3.2.3

Rewrite the expression.

$\frac{153}{2}$

Step 4

Divide.

$76.5$