Basic Math Examples

what's the answer

$5 + 5 + 5 + 46 \div 57 - 4$

Step 1

Find the common denominator.

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Step 1.1

Write

$5$ as a fraction with denominator

$1$ .

$\frac{5}{1} + 5 + 5 + 46 \div 57 - 4$

Step 1.2

Multiply

$\frac{5}{1}$ by

$\frac{57}{57}$ .

$\frac{5}{1} \cdot \frac{57}{57} + 5 + 5 + 46 \div 57 - 4$

Step 1.3

Multiply

$\frac{5}{1}$ by

$\frac{57}{57}$ .

$\frac{5 \cdot 57}{57} + 5 + 5 + 46 \div 57 - 4$

Step 1.4

Write

$5$ as a fraction with denominator

$1$ .

$\frac{5 \cdot 57}{57} + \frac{5}{1} + 5 + 46 \div 57 - 4$

Step 1.5

Multiply

$\frac{5}{1}$ by

$\frac{57}{57}$ .

$\frac{5 \cdot 57}{57} + \frac{5}{1} \cdot \frac{57}{57} + 5 + 46 \div 57 - 4$

Step 1.6

Multiply

$\frac{5}{1}$ by

$\frac{57}{57}$ .

$\frac{5 \cdot 57}{57} + \frac{5 \cdot 57}{57} + 5 + 46 \div 57 - 4$

Step 1.7

Write

$5$ as a fraction with denominator

$1$ .

$\frac{5 \cdot 57}{57} + \frac{5 \cdot 57}{57} + \frac{5}{1} + 46 \div 57 - 4$

Step 1.8

Multiply

$\frac{5}{1}$ by

$\frac{57}{57}$ .

$\frac{5 \cdot 57}{57} + \frac{5 \cdot 57}{57} + \frac{5}{1} \cdot \frac{57}{57} + 46 \div 57 - 4$

Step 1.9

Multiply

$\frac{5}{1}$ by

$\frac{57}{57}$ .

$\frac{5 \cdot 57}{57} + \frac{5 \cdot 57}{57} + \frac{5 \cdot 57}{57} + 46 \div 57 - 4$

Step 1.10

Write

$- 4$ as a fraction with denominator

$1$ .

$\frac{5 \cdot 57}{57} + \frac{5 \cdot 57}{57} + \frac{5 \cdot 57}{57} + 46 \div 57 + \frac{- 4}{1}$

Step 1.11

Multiply

$\frac{- 4}{1}$ by

$\frac{57}{57}$ .

$\frac{5 \cdot 57}{57} + \frac{5 \cdot 57}{57} + \frac{5 \cdot 57}{57} + 46 \div 57 + \frac{- 4}{1} \cdot \frac{57}{57}$

Step 1.12

Multiply

$\frac{- 4}{1}$ by

$\frac{57}{57}$ .

$\frac{5 \cdot 57}{57} + \frac{5 \cdot 57}{57} + \frac{5 \cdot 57}{57} + 46 \div 57 + \frac{- 4 \cdot 57}{57}$

Step 2

Combine the numerators over the common denominator.

$\frac{5 \cdot 57 + 5 \cdot 57 + 5 \cdot 57 + 46 - 4 \cdot 57}{57}$

Step 3

Simplify each term.

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Step 3.1

Multiply

$5$ by

$57$ .

$\frac{285 + 5 \cdot 57 + 5 \cdot 57 + 46 - 4 \cdot 57}{57}$

Step 3.2

Multiply

$5$ by

$57$ .

$\frac{285 + 285 + 5 \cdot 57 + 46 - 4 \cdot 57}{57}$

Step 3.3

Multiply

$5$ by

$57$ .

$\frac{285 + 285 + 285 + 46 - 4 \cdot 57}{57}$

Step 3.4

Multiply

$- 4$ by

$57$ .

$\frac{285 + 285 + 285 + 46 - 228}{57}$

Step 4

Simplify by adding and subtracting.

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Step 4.1

Add

$285$ and

$285$ .

$\frac{570 + 285 + 46 - 228}{57}$

Step 4.2

Add

$570$ and

$285$ .

$\frac{855 + 46 - 228}{57}$

Step 4.3

Add

$855$ and

$46$ .

$\frac{901 - 228}{57}$

Step 4.4

Subtract

$228$ from

$901$ .

$\frac{673}{57}$

Step 5

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

$\frac{\frac{673}{57}}{1}$

Step 6

Divide

$\frac{673}{57}$ by

$1$ .

$\frac{673}{57}$

Step 7

Divide.

$11.80701754$

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.

$11.8$