Solve 81/4-9-27

$$\frac { 81 } { 4 } - 9 - 27$$

Evaluate

$$-\frac{63}{4}=-15.75$$

Solution Steps

Convert 9 to fraction \frac{36}{4}.

$$\frac{81}{4}-\frac{36}{4}-27$$

Since \frac{81}{4} and \frac{36}{4} have the same denominator, subtract them by subtracting their numerators.

$$\frac{81-36}{4}-27$$

Subtract 36 from 81 to get 45.

$$\frac{45}{4}-27$$

Convert 27 to fraction \frac{108}{4}.

$$\frac{45}{4}-\frac{108}{4}$$

Since \frac{45}{4} and \frac{108}{4} have the same denominator, subtract them by subtracting their numerators.

$$\frac{45-108}{4}$$

Subtract 108 from 45 to get -63.

$$-\frac{63}{4}$$

Factor

$$-\frac{63}{4} = -15\frac{3}{4} = -15.75$$