Solve -85.5+-211/2=

$$- 85.5 + - 21 \frac { 1 } { 2 } =$$

Evaluate

$$-107$$

Solution Steps

Multiply 21 and 2 to get 42.

$$-85.5-\frac{42+1}{2}$$

Add 42 and 1 to get 43.

$$-85.5-\frac{43}{2}$$

Convert decimal number -85.5 to fraction -\frac{855}{10}. Reduce the fraction -\frac{855}{10} to lowest terms by extracting and canceling out 5.

$$-\frac{171}{2}-\frac{43}{2}$$

Since -\frac{171}{2} and \frac{43}{2} have the same denominator, subtract them by subtracting their numerators.

$$\frac{-171-43}{2}$$

Subtract 43 from -171 to get -214.

$$\frac{-214}{2}$$

Divide -214 by 2 to get -107.

$$-107$$

Factor

$$-107$$