Basic Math Examples

$46$ , $885 \div 12$

Step 1

Rewrite the division as a fraction.

$46, \frac{885}{12}$

Step 2

Cancel the common factor of $885$ and $12$ .

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Step 2.1

Factor $3$ out of $885$ .

$46, \frac{3 (295)}{12}$

Step 2.2

Cancel the common factors.

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Step 2.2.1

Factor $3$ out of $12$ .

$46, \frac{3 \cdot 295}{3 \cdot 4}$

Step 2.2.2

Cancel the common factor.

$46, \frac{3 \cdot 295}{3 \cdot 4}$

Step 2.2.3

Rewrite the expression.

$46, \frac{295}{4}$

Step 3

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

$\frac{46 + \frac{295}{4}}{2}$

Step 4

Simplify the numerator.

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Step 4.1

To write $46$ as a fraction with a common denominator, multiply by $\frac{4}{4}$ .

$\frac{46 \cdot \frac{4}{4} + \frac{295}{4}}{2}$

Step 4.2

Combine $46$ and $\frac{4}{4}$ .

$\frac{\frac{46 \cdot 4}{4} + \frac{295}{4}}{2}$

Step 4.3

Combine the numerators over the common denominator.

$\frac{\frac{46 \cdot 4 + 295}{4}}{2}$

Step 4.4

Simplify the numerator.

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Step 4.4.1

Multiply $46$ by $4$ .

$\frac{\frac{184 + 295}{4}}{2}$

Step 4.4.2

Add $184$ and $295$ .

$\frac{\frac{479}{4}}{2}$

Step 5

Multiply the numerator by the reciprocal of the denominator.

$\frac{479}{4} \cdot \frac{1}{2}$

Step 6

Multiply $\frac{479}{4} \cdot \frac{1}{2}$ .

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Step 6.1

Multiply $\frac{479}{4}$ by $\frac{1}{2}$ .

$\frac{479}{4 \cdot 2}$

Step 6.2

Multiply $4$ by $2$ .

$\frac{479}{8}$

Step 7

Divide.

$59.875$

Step 8

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.

$59.9$