Basic Math Examples

$1$ , $2$ , $3$ , $4$

Step 1

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

$\frac{1 + 2 + 3 + 4}{4}$

Step 2

Simplify the numerator.

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Step 2.1

Add $1$ and $2$ .

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

Step 2.2

Add $3$ and $3$ .

$\frac{6 + 4}{4}$

Step 2.3

Add $6$ and $4$ .

$\frac{10}{4}$

Step 3

Cancel the common factor of $10$ and $4$ .

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Step 3.1

Factor $2$ out of $10$ .

$\frac{2 (5)}{4}$

Step 3.2

Cancel the common factors.

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Step 3.2.1

Factor $2$ out of $4$ .

$\frac{2 \cdot 5}{2 \cdot 2}$

Step 3.2.2

Cancel the common factor.

$\frac{2 \cdot 5}{2 \cdot 2}$

Step 3.2.3

Rewrite the expression.

$\frac{5}{2}$

Step 4

Divide.

$2.5$