Solve 92/80-180/80

$$\frac { 92 } { 80 } - \frac { 180 } { 80 }$$

Evaluate

$$-\frac{11}{10}=-1.1$$

Solution Steps

Reduce the fraction \frac{92}{80} to lowest terms by extracting and canceling out 4.

$$\frac{23}{20}-\frac{180}{80}$$

Reduce the fraction \frac{180}{80} to lowest terms by extracting and canceling out 20.

$$\frac{23}{20}-\frac{9}{4}$$

Least common multiple of 20 and 4 is 20. Convert \frac{23}{20} and \frac{9}{4} to fractions with denominator 20.

$$\frac{23}{20}-\frac{45}{20}$$

Since \frac{23}{20} and \frac{45}{20} have the same denominator, subtract them by subtracting their numerators.

$$\frac{23-45}{20}$$

Subtract 45 from 23 to get -22.

$$\frac{-22}{20}$$

Reduce the fraction \frac{-22}{20} to lowest terms by extracting and canceling out 2.

$$-\frac{11}{10}$$

Factor

$$-\frac{11}{10} = -1\frac{1}{10} = -1.1$$