Basic Math Examples

$23 \div 22$ , $890$

Step 1

Rewrite the division as a fraction.

$\frac{23}{22}, 890$

Step 2

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

$\frac{\frac{23}{22} + 890}{2}$

Step 3

Simplify the numerator.

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Step 3.1

To write $890$ as a fraction with a common denominator, multiply by $\frac{22}{22}$ .

$\frac{\frac{23}{22} + 890 \cdot \frac{22}{22}}{2}$

Step 3.2

Combine $890$ and $\frac{22}{22}$ .

$\frac{\frac{23}{22} + \frac{890 \cdot 22}{22}}{2}$

Step 3.3

Combine the numerators over the common denominator.

$\frac{\frac{23 + 890 \cdot 22}{22}}{2}$

Step 3.4

Simplify the numerator.

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Step 3.4.1

Multiply $890$ by $22$ .

$\frac{\frac{23 + 19580}{22}}{2}$

Step 3.4.2

Add $23$ and $19580$ .

$\frac{\frac{19603}{22}}{2}$

Step 4

Multiply the numerator by the reciprocal of the denominator.

$\frac{19603}{22} \cdot \frac{1}{2}$

Step 5

Multiply $\frac{19603}{22} \cdot \frac{1}{2}$ .

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Step 5.1

Multiply $\frac{19603}{22}$ by $\frac{1}{2}$ .

$\frac{19603}{22 \cdot 2}$

Step 5.2

Multiply $22$ by $2$ .

$\frac{19603}{44}$

Step 6

Divide.

$445.52\overline{27}$

Step 7

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.

$445.5$