Solve 7990%-25%

$$7990 \% -25 \%$$

Evaluate

$$\frac{1593}{20}=79.65$$

Solution Steps

Reduce the fraction \frac{7990}{100} to lowest terms by extracting and canceling out 10.

$$\frac{799}{10}-\frac{25}{100}$$

Reduce the fraction \frac{25}{100} to lowest terms by extracting and canceling out 25.

$$\frac{799}{10}-\frac{1}{4}$$

Least common multiple of 10 and 4 is 20. Convert \frac{799}{10} and \frac{1}{4} to fractions with denominator 20.

$$\frac{1598}{20}-\frac{5}{20}$$

Since \frac{1598}{20} and \frac{5}{20} have the same denominator, subtract them by subtracting their numerators.

$$\frac{1598-5}{20}$$

Subtract 5 from 1598 to get 1593.

$$\frac{1593}{20}$$

Factor

$$\frac{3 ^ {3} \cdot 59}{2 ^ {2} \cdot 5} = 79\frac{13}{20} = 79.65$$