Solve 4.99-20%

$$4.99-20 \%$$

Evaluate

$$4.79$$

Solution Steps

Reduce the fraction \frac{20}{100} to lowest terms by extracting and canceling out 20.

$$4.99-\frac{1}{5}$$

Convert decimal number 4.99 to fraction \frac{499}{100}.

$$\frac{499}{100}-\frac{1}{5}$$

Least common multiple of 100 and 5 is 100. Convert \frac{499}{100} and \frac{1}{5} to fractions with denominator 100.

$$\frac{499}{100}-\frac{20}{100}$$

Since \frac{499}{100} and \frac{20}{100} have the same denominator, subtract them by subtracting their numerators.

$$\frac{499-20}{100}$$

Subtract 20 from 499 to get 479.

$$\frac{479}{100}$$

Factor

$$\frac{479}{2 ^ {2} \cdot 5 ^ {2}} = 4\frac{79}{100} = 4.79$$