Solve 7/8-4/5=

$$\frac { 7 } { 8 } - \frac { 4 } { 5 } =$$

Evaluate

$$\frac{3}{40}=0.075$$

Solution Steps

Least common multiple of 8 and 5 is 40. Convert \frac{7}{8} and \frac{4}{5} to fractions with denominator 40.

$$\frac{35}{40}-\frac{32}{40}$$

Since \frac{35}{40} and \frac{32}{40} have the same denominator, subtract them by subtracting their numerators.

$$\frac{35-32}{40}$$

Subtract 32 from 35 to get 3.

$$\frac{3}{40}$$

Factor

$$\frac{3}{2 ^ {3} \cdot 5} = 0.075$$