Basic Math Examples

$77$ , $82$ , $70$ , $59$ , $90$ , $105$

Step 1

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

$\frac{77 + 82 + 70 + 59 + 90 + 105}{6}$

Step 2

Simplify the numerator.

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Step 2.1

Add $77$ and $82$ .

$\frac{159 + 70 + 59 + 90 + 105}{6}$

Step 2.2

Add $159$ and $70$ .

$\frac{229 + 59 + 90 + 105}{6}$

Step 2.3

Add $229$ and $59$ .

$\frac{288 + 90 + 105}{6}$

Step 2.4

Add $288$ and $90$ .

$\frac{378 + 105}{6}$

Step 2.5

Add $378$ and $105$ .

$\frac{483}{6}$

Step 3

Cancel the common factor of $483$ and $6$ .

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Step 3.1

Factor $3$ out of $483$ .

$\frac{3 (161)}{6}$

Step 3.2

Cancel the common factors.

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Step 3.2.1

Factor $3$ out of $6$ .

$\frac{3 \cdot 161}{3 \cdot 2}$

Step 3.2.2

Cancel the common factor.

$\frac{3 \cdot 161}{3 \cdot 2}$

Step 3.2.3

Rewrite the expression.

$\frac{161}{2}$

Step 4

Divide.

$80.5$