Basic Math Examples

$\frac{2}{9}$ of $87.75$

Step 1

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

$\frac{\frac{2}{9} + 87.75}{2}$

Step 2

Simplify the numerator.

Tap for more steps...

Step 2.1

To write $87.75$ as a fraction with a common denominator, multiply by $\frac{9}{9}$ .

$\frac{\frac{2}{9} + 87.75 \cdot \frac{9}{9}}{2}$

Step 2.2

Combine $87.75$ and $\frac{9}{9}$ .

$\frac{\frac{2}{9} + \frac{87.75 \cdot 9}{9}}{2}$

Step 2.3

Combine the numerators over the common denominator.

$\frac{\frac{2 + 87.75 \cdot 9}{9}}{2}$

Step 2.4

Rewrite $\frac{2 + 87.75 \cdot 9}{9}$ in a factored form.

Tap for more steps...

Step 2.4.1

Multiply $87.75$ by $9$ .

$\frac{\frac{2 + 789.75}{9}}{2}$

Step 2.4.2

Add $2$ and $789.75$ .

$\frac{\frac{791.75}{9}}{2}$

Step 2.4.3

Divide $791.75$ by $9$ .

$\frac{87.97\overline{2}}{2}$

Step 3

Divide $87.97\overline{2}$ by $2$ .

$43.986\overline{1}$

Step 4

Divide.

$43.986\overline{1}$

Step 5

The mean should be rounded to one more decimal place than the original data. If the original data were mixed, round to one decimal place more than the least precise.

$44$