Solve 1/17+16/85-12/85=

$$\frac { 1 } { 17 } + \frac { 16 } { 85 } - \frac { 12 } { 85 } =$$

Evaluate

$$\frac{9}{85}\approx 0.105882353$$

Solution Steps

Least common multiple of 17 and 85 is 85. Convert \frac{1}{17} and \frac{16}{85} to fractions with denominator 85.

$$\frac{5}{85}+\frac{16}{85}-\frac{12}{85}$$

Since \frac{5}{85} and \frac{16}{85} have the same denominator, add them by adding their numerators.

$$\frac{5+16}{85}-\frac{12}{85}$$

Add 5 and 16 to get 21.

$$\frac{21}{85}-\frac{12}{85}$$

Since \frac{21}{85} and \frac{12}{85} have the same denominator, subtract them by subtracting their numerators.

$$\frac{21-12}{85}$$

Subtract 12 from 21 to get 9.

$$\frac{9}{85}$$

Factor

$$\frac{3 ^ {2}}{5 \cdot 17} = 0.10588235294117647$$