Basic Math Examples

$723 \div 385$ , $622$

Step 1

Rewrite the division as a fraction.

$\frac{723}{385}, 622$

Step 2

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

$\frac{\frac{723}{385} + 622}{2}$

Step 3

Simplify the numerator.

Tap for more steps...

Step 3.1

To write $622$ as a fraction with a common denominator, multiply by $\frac{385}{385}$ .

$\frac{\frac{723}{385} + 622 \cdot \frac{385}{385}}{2}$

Step 3.2

Combine $622$ and $\frac{385}{385}$ .

$\frac{\frac{723}{385} + \frac{622 \cdot 385}{385}}{2}$

Step 3.3

Combine the numerators over the common denominator.

$\frac{\frac{723 + 622 \cdot 385}{385}}{2}$

Step 3.4

Simplify the numerator.

Tap for more steps...

Step 3.4.1

Multiply $622$ by $385$ .

$\frac{\frac{723 + 239470}{385}}{2}$

Step 3.4.2

Add $723$ and $239470$ .

$\frac{\frac{240193}{385}}{2}$

Step 4

Multiply the numerator by the reciprocal of the denominator.

$\frac{240193}{385} \cdot \frac{1}{2}$

Step 5

Multiply $\frac{240193}{385} \cdot \frac{1}{2}$ .

Tap for more steps...

Step 5.1

Multiply $\frac{240193}{385}$ by $\frac{1}{2}$ .

$\frac{240193}{385 \cdot 2}$

Step 5.2

Multiply $385$ by $2$ .

$\frac{240193}{770}$

Step 6

Divide.

$311.93896103$

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.

$311.9$