Basic Math Examples

80

$80$ ,

222

$222$

Step 1

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

\frac{80 + 222}{2}

$\frac{80 + 222}{2}$

Step 2

Cancel the common factor of

80 + 222

$80 + 222$ and

2

$2$ .

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Step 2.1

Factor

2

$2$ out of

80

$80$ .

\frac{2 \cdot 40 + 222}{2}

$\frac{2 \cdot 40 + 222}{2}$

Step 2.2

Factor

2

$2$ out of

222

$222$ .

\frac{2 \cdot 40 + 2 \cdot 111}{2}

$\frac{2 \cdot 40 + 2 \cdot 111}{2}$

Step 2.3

Factor

2

$2$ out of

2 \cdot 40 + 2 \cdot 111

$2 \cdot 40 + 2 \cdot 111$ .

\frac{2 \cdot (40 + 111)}{2}

$\frac{2 \cdot (40 + 111)}{2}$

Step 2.4

Cancel the common factors.

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Step 2.4.1

Factor

2

$2$ out of

2

$2$ .

\frac{2 \cdot (40 + 111)}{2 (1)}

$\frac{2 \cdot (40 + 111)}{2 (1)}$

Step 2.4.2

Cancel the common factor.

$\frac{2 \cdot (40 + 111)}{2 \cdot 1}$

Step 2.4.3

Rewrite the expression.

$\frac{40 + 111}{1}$

Step 2.4.4

Divide

$40 + 111$ by

$1$ .

$40 + 111$

Step 3

Add

$40$ and

$111$ .

$151$