Solve 2/3-0.8

$$\frac{ 2 }{ 3 } -0.8$$

Evaluate

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

Solution Steps

Convert decimal number 0.8 to fraction \frac{8}{10}. Reduce the fraction \frac{8}{10} to lowest terms by extracting and canceling out 2.

$$\frac{2}{3}-\frac{4}{5}$$

Least common multiple of 3 and 5 is 15. Convert \frac{2}{3} and \frac{4}{5} to fractions with denominator 15.

$$\frac{10}{15}-\frac{12}{15}$$

Since \frac{10}{15} and \frac{12}{15} have the same denominator, subtract them by subtracting their numerators.

$$\frac{10-12}{15}$$

Subtract 12 from 10 to get -2.

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

Factor

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