Solve -1/10-1/30

$$\frac{ -1 }{ 10 } - \frac{ 1 }{ 30 }$$

Evaluate

$$-\frac{2}{15}\approx -0.133333333$$

Solution Steps

Fraction \frac{-1}{10} can be rewritten as -\frac{1}{10} by extracting the negative sign.

$$-\frac{1}{10}-\frac{1}{30}$$

Least common multiple of 10 and 30 is 30. Convert -\frac{1}{10} and \frac{1}{30} to fractions with denominator 30.

$$-\frac{3}{30}-\frac{1}{30}$$

Since -\frac{3}{30} and \frac{1}{30} have the same denominator, subtract them by subtracting their numerators.

$$\frac{-3-1}{30}$$

Subtract 1 from -3 to get -4.

$$\frac{-4}{30}$$

Reduce the fraction \frac{-4}{30} to lowest terms by extracting and canceling out 2.

$$-\frac{2}{15}$$

Factor

$$-\frac{2}{15} = -0.13333333333333333$$