Solve 39:66:30-2=

$$39 : 66 : 30 - 2 =$$

Evaluate

$$-\frac{1307}{660}\approx -1.98030303$$

Solution Steps

Express \frac{\frac{39}{66}}{30} as a single fraction.

$$\frac{39}{66\times 30}-2$$

Multiply 66 and 30 to get 1980.

$$\frac{39}{1980}-2$$

Reduce the fraction \frac{39}{1980} to lowest terms by extracting and canceling out 3.

$$\frac{13}{660}-2$$

Convert 2 to fraction \frac{1320}{660}.

$$\frac{13}{660}-\frac{1320}{660}$$

Since \frac{13}{660} and \frac{1320}{660} have the same denominator, subtract them by subtracting their numerators.

$$\frac{13-1320}{660}$$

Subtract 1320 from 13 to get -1307.

$$-\frac{1307}{660}$$

Factor

$$-\frac{1307}{660} = -1\frac{647}{660} = -1.9803030303030302$$