Solve 1.2*((4.2-3.3)div2)=

$$1.2 \times ((4.2-3.3) \div 2)=$$

Evaluate

$$0.54$$

Solution Steps

Subtract 3.3 from 4.2 to get 0.9.

$$1.2\times \frac{0.9}{2}$$

Expand \frac{0.9}{2} by multiplying both numerator and the denominator by 10.

$$1.2\times \frac{9}{20}$$

Convert decimal number 1.2 to fraction \frac{12}{10}. Reduce the fraction \frac{12}{10} to lowest terms by extracting and canceling out 2.

$$\frac{6}{5}\times \frac{9}{20}$$

Multiply \frac{6}{5} times \frac{9}{20} by multiplying numerator times numerator and denominator times denominator.

$$\frac{6\times 9}{5\times 20}$$

Do the multiplications in the fraction \frac{6\times 9}{5\times 20}.

$$\frac{54}{100}$$

Reduce the fraction \frac{54}{100} to lowest terms by extracting and canceling out 2.

$$\frac{27}{50}$$

Factor

$$\frac{3 ^ {3}}{2 \cdot 5 ^ {2}} = 0.54$$