Basic Math Examples

$3$ , $536$ , $278 \div 57$ , $918$

Step 1

Rewrite the division as a fraction.

$3, 536, \frac{278}{57}, 918$

Step 2

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

$\frac{3 + 536 + \frac{278}{57} + 918}{4}$

Step 3

Simplify the numerator.

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Step 3.1

Add $3$ and $536$ .

$\frac{539 + \frac{278}{57} + 918}{4}$

Step 3.2

To write $539$ as a fraction with a common denominator, multiply by $\frac{57}{57}$ .

$\frac{539 \cdot \frac{57}{57} + \frac{278}{57} + 918}{4}$

Step 3.3

Combine $539$ and $\frac{57}{57}$ .

$\frac{\frac{539 \cdot 57}{57} + \frac{278}{57} + 918}{4}$

Step 3.4

Combine the numerators over the common denominator.

$\frac{\frac{539 \cdot 57 + 278}{57} + 918}{4}$

Step 3.5

Simplify the numerator.

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Step 3.5.1

Multiply $539$ by $57$ .

$\frac{\frac{30723 + 278}{57} + 918}{4}$

Step 3.5.2

Add $30723$ and $278$ .

$\frac{\frac{31001}{57} + 918}{4}$

Step 3.6

To write $918$ as a fraction with a common denominator, multiply by $\frac{57}{57}$ .

$\frac{\frac{31001}{57} + 918 \cdot \frac{57}{57}}{4}$

Step 3.7

Combine $918$ and $\frac{57}{57}$ .

$\frac{\frac{31001}{57} + \frac{918 \cdot 57}{57}}{4}$

Step 3.8

Combine the numerators over the common denominator.

$\frac{\frac{31001 + 918 \cdot 57}{57}}{4}$

Step 3.9

Simplify the numerator.

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Step 3.9.1

Multiply $918$ by $57$ .

$\frac{\frac{31001 + 52326}{57}}{4}$

Step 3.9.2

Add $31001$ and $52326$ .

$\frac{\frac{83327}{57}}{4}$

Step 4

Multiply the numerator by the reciprocal of the denominator.

$\frac{83327}{57} \cdot \frac{1}{4}$

Step 5

Multiply $\frac{83327}{57} \cdot \frac{1}{4}$ .

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Step 5.1

Multiply $\frac{83327}{57}$ by $\frac{1}{4}$ .

$\frac{83327}{57 \cdot 4}$

Step 5.2

Multiply $57$ by $4$ .

$\frac{83327}{228}$

Step 6

Divide.

$365.46929824$

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.

$365.5$