Basic Math Examples

2

$2$

3

$3$

4

$4$

5

$5$

Step 1

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

\frac{2 + 3 + 4 + 5}{4}

$\frac{2 + 3 + 4 + 5}{4}$

Step 2

Simplify the numerator.

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Step 2.1

Add

2

$2$ and

3

$3$ .

\frac{5 + 4 + 5}{4}

$\frac{5 + 4 + 5}{4}$

Step 2.2

Add

5

$5$ and

4

$4$ .

\frac{9 + 5}{4}

$\frac{9 + 5}{4}$

Step 2.3

Add

9

$9$ and

5

$5$ .

\frac{14}{4}

$\frac{14}{4}$

\frac{14}{4}

$\frac{14}{4}$

Step 3

Cancel the common factor of

14

$14$ and

4

$4$ .

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Step 3.1

Factor

2

$2$ out of

14

$14$ .

\frac{2 (7)}{4}

$\frac{2 (7)}{4}$

Step 3.2

Cancel the common factors.

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Step 3.2.1

Factor

2

$2$ out of

4

$4$ .

\frac{2 \cdot 7}{2 \cdot 2}

$\frac{2 \cdot 7}{2 \cdot 2}$

Step 3.2.2

Cancel the common factor.

$\frac{2 \cdot 7}{2 \cdot 2}$

Step 3.2.3

Rewrite the expression.

$\frac{7}{2}$

Step 4

Divide.

$3.5$