Solve -4+3/7-0,25

$$- 4 + \frac { 3 } { 7 } - 0,25$$

Evaluate

$$-\frac{107}{28}\approx -3,821428571$$

Solution Steps

Convert -4 to fraction -\frac{28}{7}.

$$-\frac{28}{7}+\frac{3}{7}-0,25$$

Since -\frac{28}{7} and \frac{3}{7} have the same denominator, add them by adding their numerators.

$$\frac{-28+3}{7}-0,25$$

Add -28 and 3 to get -25.

$$-\frac{25}{7}-0,25$$

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.

$$-\frac{25}{7}-\frac{1}{4}$$

Least common multiple of 7 and 4 is 28. Convert -\frac{25}{7} and \frac{1}{4} to fractions with denominator 28.

$$-\frac{100}{28}-\frac{7}{28}$$

Since -\frac{100}{28} and \frac{7}{28} have the same denominator, subtract them by subtracting their numerators.

$$\frac{-100-7}{28}$$

Subtract 7 from -100 to get -107.

$$-\frac{107}{28}$$

Factor

$$-\frac{107}{28} = -3\frac{23}{28} = -3.8214285714285716$$