Solve 50+(85-43.4)div2

$$50+(85-43.4) \div 2$$

Evaluate

$$70.8$$

Solution Steps

Subtract 43.4 from 85 to get 41.6.

$$50+\frac{41.6}{2}$$

Expand \frac{41.6}{2} by multiplying both numerator and the denominator by 10.

$$50+\frac{416}{20}$$

Reduce the fraction \frac{416}{20} to lowest terms by extracting and canceling out 4.

$$50+\frac{104}{5}$$

Convert 50 to fraction \frac{250}{5}.

$$\frac{250}{5}+\frac{104}{5}$$

Since \frac{250}{5} and \frac{104}{5} have the same denominator, add them by adding their numerators.

$$\frac{250+104}{5}$$

Add 250 and 104 to get 354.

$$\frac{354}{5}$$

Factor

$$\frac{2 \cdot 3 \cdot 59}{5} = 70\frac{4}{5} = 70.8$$