Solve 13/5+4/5-21/5

$$1 \frac { 3 } { 5 } + \frac { 4 } { 5 } - 2 \frac { 1 } { 5 }$$

Evaluate

$$\frac{1}{5}=0.2$$

Solution Steps

Multiply 1 and 5 to get 5.

$$\frac{5+3}{5}+\frac{4}{5}-\frac{2\times 5+1}{5}$$

Add 5 and 3 to get 8.

$$\frac{8}{5}+\frac{4}{5}-\frac{2\times 5+1}{5}$$

Since \frac{8}{5} and \frac{4}{5} have the same denominator, add them by adding their numerators.

$$\frac{8+4}{5}-\frac{2\times 5+1}{5}$$

Add 8 and 4 to get 12.

$$\frac{12}{5}-\frac{2\times 5+1}{5}$$

Multiply 2 and 5 to get 10.

$$\frac{12}{5}-\frac{10+1}{5}$$

Add 10 and 1 to get 11.

$$\frac{12}{5}-\frac{11}{5}$$

Since \frac{12}{5} and \frac{11}{5} have the same denominator, subtract them by subtracting their numerators.

$$\frac{12-11}{5}$$

Subtract 11 from 12 to get 1.

$$\frac{1}{5}$$

Factor

$$\frac{1}{5} = 0.2$$