Solve 3/1*3/14-8/7=

$$\frac { 3 } { 1 } \times \frac { 3 } { 14 } - \frac { 8 } { 7 } =$$

Evaluate

$$-\frac{1}{2}=-0.5$$

Solution Steps

Anything divided by one gives itself.

$$3\times \frac{3}{14}-\frac{8}{7}$$

Express 3\times \frac{3}{14} as a single fraction.

$$\frac{3\times 3}{14}-\frac{8}{7}$$

Multiply 3 and 3 to get 9.

$$\frac{9}{14}-\frac{8}{7}$$

Least common multiple of 14 and 7 is 14. Convert \frac{9}{14} and \frac{8}{7} to fractions with denominator 14.

$$\frac{9}{14}-\frac{16}{14}$$

Since \frac{9}{14} and \frac{16}{14} have the same denominator, subtract them by subtracting their numerators.

$$\frac{9-16}{14}$$

Subtract 16 from 9 to get -7.

$$\frac{-7}{14}$$

Reduce the fraction \frac{-7}{14} to lowest terms by extracting and canceling out 7.

$$-\frac{1}{2}$$

Factor

$$-\frac{1}{2} = -0.5$$