Solve 40/400+30+20*9

$$\frac { 40 } { 400 + 30 + 20 } \times 9$$

Evaluate

$$\frac{4}{5}=0.8$$

Solution Steps

Add 400 and 30 to get 430.

$$\frac{40}{430+20}\times 9$$

Add 430 and 20 to get 450.

$$\frac{40}{450}\times 9$$

Reduce the fraction \frac{40}{450} to lowest terms by extracting and canceling out 10.

$$\frac{4}{45}\times 9$$

Express \frac{4}{45}\times 9 as a single fraction.

$$\frac{4\times 9}{45}$$

Multiply 4 and 9 to get 36.

$$\frac{36}{45}$$

Reduce the fraction \frac{36}{45} to lowest terms by extracting and canceling out 9.

$$\frac{4}{5}$$

Factor

$$\frac{2 ^ {2}}{5} = 0.8$$