Solve (+7/25)+(+2/5)+(-1/1)

$$( + \frac { 7 } { 25 } ) + ( + \frac { 2 } { 5 } ) + ( - \frac { 1 } { 1 } )$$

Evaluate

$$-\frac{8}{25}=-0.32$$

Solution Steps

Divide 1 by 1 to get 1.

$$\frac{7}{25}+\frac{2}{5}-1$$

Least common multiple of 25 and 5 is 25. Convert \frac{7}{25} and \frac{2}{5} to fractions with denominator 25.

$$\frac{7}{25}+\frac{10}{25}-1$$

Since \frac{7}{25} and \frac{10}{25} have the same denominator, add them by adding their numerators.

$$\frac{7+10}{25}-1$$

Add 7 and 10 to get 17.

$$\frac{17}{25}-1$$

Convert 1 to fraction \frac{25}{25}.

$$\frac{17}{25}-\frac{25}{25}$$

Since \frac{17}{25} and \frac{25}{25} have the same denominator, subtract them by subtracting their numerators.

$$\frac{17-25}{25}$$

Subtract 25 from 17 to get -8.

$$-\frac{8}{25}$$

Factor

$$-\frac{8}{25} = -0.32$$