Solve 3/8+21/5=

$$\frac { 3 } { 8 } + 2 \frac { 1 } { 5 } =$$

Evaluate

$$\frac{103}{40}=2.575$$

Solution Steps

Multiply 2 and 5 to get 10.

$$\frac{3}{8}+\frac{10+1}{5}$$

Add 10 and 1 to get 11.

$$\frac{3}{8}+\frac{11}{5}$$

Least common multiple of 8 and 5 is 40. Convert \frac{3}{8} and \frac{11}{5} to fractions with denominator 40.

$$\frac{15}{40}+\frac{88}{40}$$

Since \frac{15}{40} and \frac{88}{40} have the same denominator, add them by adding their numerators.

$$\frac{15+88}{40}$$

Add 15 and 88 to get 103.

$$\frac{103}{40}$$

Factor

$$\frac{103}{2 ^ {3} \cdot 5} = 2\frac{23}{40} = 2.575$$