Solve [(20+25/15)div5]+1

$$[ ( \frac { 20 + 25 } { 15 } ) \div 5 ] + 1$$

Evaluate

$$\frac{8}{5}=1.6$$

Solution Steps

Express \frac{\frac{20+25}{15}}{5} as a single fraction.

$$\frac{20+25}{15\times 5}+1$$

Add 20 and 25 to get 45.

$$\frac{45}{15\times 5}+1$$

Multiply 15 and 5 to get 75.

$$\frac{45}{75}+1$$

Reduce the fraction \frac{45}{75} to lowest terms by extracting and canceling out 15.

$$\frac{3}{5}+1$$

Convert 1 to fraction \frac{5}{5}.

$$\frac{3}{5}+\frac{5}{5}$$

Since \frac{3}{5} and \frac{5}{5} have the same denominator, add them by adding their numerators.

$$\frac{3+5}{5}$$

Add 3 and 5 to get 8.

$$\frac{8}{5}$$

Factor

$$\frac{2 ^ {3}}{5} = 1\frac{3}{5} = 1.6$$