Solve 43-1/2-15

$$43 - 1 / 2 - 15$$

Evaluate

$$\frac{55}{2}=27.5$$

Solution Steps

Convert 43 to fraction \frac{86}{2}.

$$\frac{86}{2}-\frac{1}{2}-15$$

Since \frac{86}{2} and \frac{1}{2} have the same denominator, subtract them by subtracting their numerators.

$$\frac{86-1}{2}-15$$

Subtract 1 from 86 to get 85.

$$\frac{85}{2}-15$$

Convert 15 to fraction \frac{30}{2}.

$$\frac{85}{2}-\frac{30}{2}$$

Since \frac{85}{2} and \frac{30}{2} have the same denominator, subtract them by subtracting their numerators.

$$\frac{85-30}{2}$$

Subtract 30 from 85 to get 55.

$$\frac{55}{2}$$

Factor

$$\frac{5 \cdot 11}{2} = 27\frac{1}{2} = 27.5$$