Solve -7/10-3(2/5)

$$- \frac{ 7 }{ 10 } -3( \frac{ 2 }{ 5 } )$$

Evaluate

$$-\frac{19}{10}=-1.9$$

Solution Steps

Express 3\times \frac{2}{5} as a single fraction.

$$-\frac{7}{10}-\frac{3\times 2}{5}$$

Multiply 3 and 2 to get 6.

$$-\frac{7}{10}-\frac{6}{5}$$

Least common multiple of 10 and 5 is 10. Convert -\frac{7}{10} and \frac{6}{5} to fractions with denominator 10.

$$-\frac{7}{10}-\frac{12}{10}$$

Since -\frac{7}{10} and \frac{12}{10} have the same denominator, subtract them by subtracting their numerators.

$$\frac{-7-12}{10}$$

Subtract 12 from -7 to get -19.

$$-\frac{19}{10}$$

Factor

$$-\frac{19}{10} = -1\frac{9}{10} = -1.9$$