Solve 1800left(1-12/20right)

$$1800 \left( 1- \frac{ 12 }{ 20 } \right)$$

Evaluate

$$720$$

Solution Steps

Reduce the fraction \frac{12}{20} to lowest terms by extracting and canceling out 4.

$$1800\left(1-\frac{3}{5}\right)$$

Convert 1 to fraction \frac{5}{5}.

$$1800\left(\frac{5}{5}-\frac{3}{5}\right)$$

Since \frac{5}{5} and \frac{3}{5} have the same denominator, subtract them by subtracting their numerators.

$$1800\times \frac{5-3}{5}$$

Subtract 3 from 5 to get 2.

$$1800\times \frac{2}{5}$$

Express 1800\times \frac{2}{5} as a single fraction.

$$\frac{1800\times 2}{5}$$

Multiply 1800 and 2 to get 3600.

$$\frac{3600}{5}$$

Divide 3600 by 5 to get 720.

$$720$$

Factor

$$2^{4}\times 3^{2}\times 5$$