Solve 21/2+3/8

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

Evaluate

$$\frac{23}{8}=2.875$$

Solution Steps

Multiply 2 and 2 to get 4.

$$\frac{4+1}{2}+\frac{3}{8}$$

Add 4 and 1 to get 5.

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

Least common multiple of 2 and 8 is 8. Convert \frac{5}{2} and \frac{3}{8} to fractions with denominator 8.

$$\frac{20}{8}+\frac{3}{8}$$

Since \frac{20}{8} and \frac{3}{8} have the same denominator, add them by adding their numerators.

$$\frac{20+3}{8}$$

Add 20 and 3 to get 23.

$$\frac{23}{8}$$

Factor

$$\frac{23}{2 ^ {3}} = 2\frac{7}{8} = 2.875$$