Basic Math Examples

$154 \cdot 1$ , $20$

Step 1

Multiply $154$ by $1$ .

$154, 20$

Step 2

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

$\frac{154 + 20}{2}$

Step 3

Cancel the common factor of $154 + 20$ and $2$ .

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Step 3.1

Factor $2$ out of $154$ .

$\frac{2 \cdot 77 + 20}{2}$

Step 3.2

Factor $2$ out of $20$ .

$\frac{2 \cdot 77 + 2 \cdot 10}{2}$

Step 3.3

Factor $2$ out of $2 \cdot 77 + 2 \cdot 10$ .

$\frac{2 \cdot (77 + 10)}{2}$

Step 3.4

Cancel the common factors.

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Step 3.4.1

Factor $2$ out of $2$ .

$\frac{2 \cdot (77 + 10)}{2 (1)}$

Step 3.4.2

Cancel the common factor.

$\frac{2 \cdot (77 + 10)}{2 \cdot 1}$

Step 3.4.3

Rewrite the expression.

$\frac{77 + 10}{1}$

Step 3.4.4

Divide $77 + 10$ by $1$ .

$77 + 10$

Step 4

Add $77$ and $10$ .

$87$