Solve 3.5-15/1000

$$3.5- \frac{ 15 }{ 1000 }$$

Evaluate

$$3.485$$

Solution Steps

Reduce the fraction \frac{15}{1000} to lowest terms by extracting and canceling out 5.

$$3.5-\frac{3}{200}$$

Convert decimal number 3.5 to fraction \frac{35}{10}. Reduce the fraction \frac{35}{10} to lowest terms by extracting and canceling out 5.

$$\frac{7}{2}-\frac{3}{200}$$

Least common multiple of 2 and 200 is 200. Convert \frac{7}{2} and \frac{3}{200} to fractions with denominator 200.

$$\frac{700}{200}-\frac{3}{200}$$

Since \frac{700}{200} and \frac{3}{200} have the same denominator, subtract them by subtracting their numerators.

$$\frac{700-3}{200}$$

Subtract 3 from 700 to get 697.

$$\frac{697}{200}$$

Factor

$$\frac{17 \cdot 41}{2 ^ {3} \cdot 5 ^ {2}} = 3\frac{97}{200} = 3.485$$