Solve (57,40)-(57,40*10/100)=

$$( 57,40 ) - ( \frac { 57,40 \times 10 } { 100 } ) =$$

Evaluate

$$51,66$$

Solution Steps

Multiply 57,4 and 10 to get 574.

$$57,4-\frac{574}{100}$$

Reduce the fraction \frac{574}{100} to lowest terms by extracting and canceling out 2.

$$57,4-\frac{287}{50}$$

Convert decimal number 57,4 to fraction \frac{574}{10}. Reduce the fraction \frac{574}{10} to lowest terms by extracting and canceling out 2.

$$\frac{287}{5}-\frac{287}{50}$$

Least common multiple of 5 and 50 is 50. Convert \frac{287}{5} and \frac{287}{50} to fractions with denominator 50.

$$\frac{2870}{50}-\frac{287}{50}$$

Since \frac{2870}{50} and \frac{287}{50} have the same denominator, subtract them by subtracting their numerators.

$$\frac{2870-287}{50}$$

Subtract 287 from 2870 to get 2583.

$$\frac{2583}{50}$$

Factor

$$\frac{7 \cdot 41 \cdot 3 ^ {2}}{2 \cdot 5 ^ {2}} = 51\frac{33}{50} = 51.66$$