Solve 449/120+(-2.1)

$$\frac{ 449 }{ 120 } +(-2.1)$$

Evaluate

$$\frac{197}{120}\approx 1.641666667$$

Solution Steps

Convert decimal number 2.1 to fraction \frac{21}{10}.

$$\frac{449}{120}-\frac{21}{10}$$

Least common multiple of 120 and 10 is 120. Convert \frac{449}{120} and \frac{21}{10} to fractions with denominator 120.

$$\frac{449}{120}-\frac{252}{120}$$

Since \frac{449}{120} and \frac{252}{120} have the same denominator, subtract them by subtracting their numerators.

$$\frac{449-252}{120}$$

Subtract 252 from 449 to get 197.

$$\frac{197}{120}$$

Factor

$$\frac{197}{3 \cdot 5 \cdot 2 ^ {3}} = 1\frac{77}{120} = 1.6416666666666666$$