Solve 86+19div3-21

$$86+19 \div 3-21$$

Evaluate

$$\frac{214}{3}\approx 71.333333333$$

Solution Steps

Convert 86 to fraction \frac{258}{3}.

$$\frac{258}{3}+\frac{19}{3}-21$$

Since \frac{258}{3} and \frac{19}{3} have the same denominator, add them by adding their numerators.

$$\frac{258+19}{3}-21$$

Add 258 and 19 to get 277.

$$\frac{277}{3}-21$$

Convert 21 to fraction \frac{63}{3}.

$$\frac{277}{3}-\frac{63}{3}$$

Since \frac{277}{3} and \frac{63}{3} have the same denominator, subtract them by subtracting their numerators.

$$\frac{277-63}{3}$$

Subtract 63 from 277 to get 214.

$$\frac{214}{3}$$

Factor

$$\frac{2 \cdot 107}{3} = 71\frac{1}{3} = 71.33333333333333$$