Solve -100/8+5+4

$$- \frac { 100 } { 8 } + 5 + 4$$

Evaluate

$$-\frac{7}{2}=-3.5$$

Solution Steps

Reduce the fraction \frac{100}{8} to lowest terms by extracting and canceling out 4.

$$-\frac{25}{2}+5+4$$

Convert 5 to fraction \frac{10}{2}.

$$-\frac{25}{2}+\frac{10}{2}+4$$

Since -\frac{25}{2} and \frac{10}{2} have the same denominator, add them by adding their numerators.

$$\frac{-25+10}{2}+4$$

Add -25 and 10 to get -15.

$$-\frac{15}{2}+4$$

Convert 4 to fraction \frac{8}{2}.

$$-\frac{15}{2}+\frac{8}{2}$$

Since -\frac{15}{2} and \frac{8}{2} have the same denominator, add them by adding their numerators.

$$\frac{-15+8}{2}$$

Add -15 and 8 to get -7.

$$-\frac{7}{2}$$

Factor

$$-\frac{7}{2} = -3\frac{1}{2} = -3.5$$