Solve 3*5*7:10-9*6=

$$3 \times 5 \times 7 : 10 - 9 \times 6 =$$

Evaluate

$$-\frac{87}{2}=-43.5$$

Solution Steps

Multiply 3 and 5 to get 15.

$$\frac{15\times 7}{10}-9\times 6$$

Multiply 15 and 7 to get 105.

$$\frac{105}{10}-9\times 6$$

Reduce the fraction \frac{105}{10} to lowest terms by extracting and canceling out 5.

$$\frac{21}{2}-9\times 6$$

Multiply 9 and 6 to get 54.

$$\frac{21}{2}-54$$

Convert 54 to fraction \frac{108}{2}.

$$\frac{21}{2}-\frac{108}{2}$$

Since \frac{21}{2} and \frac{108}{2} have the same denominator, subtract them by subtracting their numerators.

$$\frac{21-108}{2}$$

Subtract 108 from 21 to get -87.

$$-\frac{87}{2}$$

Factor

$$-\frac{87}{2} = -43\frac{1}{2} = -43.5$$