Solve 42*85.7div100div12=

$$42 \times 85.7 \div 100 \div 12=$$

Evaluate

$$2.9995$$

Solution Steps

Express \frac{\frac{42\times 85.7}{100}}{12} as a single fraction.

$$\frac{42\times 85.7}{100\times 12}$$

Cancel out 2\times 3 in both numerator and denominator.

$$\frac{7\times 85.7}{4\times 50}$$

Multiply 7 and 85.7 to get 599.9.

$$\frac{599.9}{4\times 50}$$

Multiply 4 and 50 to get 200.

$$\frac{599.9}{200}$$

Expand \frac{599.9}{200} by multiplying both numerator and the denominator by 10.

$$\frac{5999}{2000}$$

Factor

$$\frac{7 \cdot 857}{2 ^ {4} \cdot 5 ^ {3}} = 2\frac{1999}{2000} = 2.9995$$