Solve 0,4-1/10

$$0,4 - \frac { 1 } { 10 }$$

Evaluate

$$0,3$$

Solution Steps

Convert decimal number 0,4 to fraction \frac{4}{10}. Reduce the fraction \frac{4}{10} to lowest terms by extracting and canceling out 2.

$$\frac{2}{5}-\frac{1}{10}$$

Least common multiple of 5 and 10 is 10. Convert \frac{2}{5} and \frac{1}{10} to fractions with denominator 10.

$$\frac{4}{10}-\frac{1}{10}$$

Since \frac{4}{10} and \frac{1}{10} have the same denominator, subtract them by subtracting their numerators.

$$\frac{4-1}{10}$$

Subtract 1 from 4 to get 3.

$$\frac{3}{10}$$

Factor

$$\frac{3}{2 \cdot 5} = 0.3$$