Solve 1/50-1/5-1/25

$$\frac{ 1 }{ 50 } - \frac{ 1 }{ 5 } - \frac{ 1 }{ 25 }$$

Evaluate

$$-\frac{11}{50}=-0.22$$

Solution Steps

Least common multiple of 50 and 5 is 50. Convert \frac{1}{50} and \frac{1}{5} to fractions with denominator 50.

$$\frac{1}{50}-\frac{10}{50}-\frac{1}{25}$$

Since \frac{1}{50} and \frac{10}{50} have the same denominator, subtract them by subtracting their numerators.

$$\frac{1-10}{50}-\frac{1}{25}$$

Subtract 10 from 1 to get -9.

$$-\frac{9}{50}-\frac{1}{25}$$

Least common multiple of 50 and 25 is 50. Convert -\frac{9}{50} and \frac{1}{25} to fractions with denominator 50.

$$-\frac{9}{50}-\frac{2}{50}$$

Since -\frac{9}{50} and \frac{2}{50} have the same denominator, subtract them by subtracting their numerators.

$$\frac{-9-2}{50}$$

Subtract 2 from -9 to get -11.

$$-\frac{11}{50}$$

Factor

$$-\frac{11}{50} = -0.22$$