Solve 4/7+0,25-1=

$$\frac { 4 } { 7 } + 0,25 - 1 =$$

Evaluate

$$-\frac{5}{28}\approx -0,178571429$$

Solution Steps

Convert decimal number 0,25 to fraction \frac{25}{100}. Reduce the fraction \frac{25}{100} to lowest terms by extracting and canceling out 25.

$$\frac{4}{7}+\frac{1}{4}-1$$

Least common multiple of 7 and 4 is 28. Convert \frac{4}{7} and \frac{1}{4} to fractions with denominator 28.

$$\frac{16}{28}+\frac{7}{28}-1$$

Since \frac{16}{28} and \frac{7}{28} have the same denominator, add them by adding their numerators.

$$\frac{16+7}{28}-1$$

Add 16 and 7 to get 23.

$$\frac{23}{28}-1$$

Convert 1 to fraction \frac{28}{28}.

$$\frac{23}{28}-\frac{28}{28}$$

Since \frac{23}{28} and \frac{28}{28} have the same denominator, subtract them by subtracting their numerators.

$$\frac{23-28}{28}$$

Subtract 28 from 23 to get -5.

$$-\frac{5}{28}$$

Factor

$$-\frac{5}{28} = -0.17857142857142858$$