# What number is 45% if 180?

May 9, 2018

81

#### Explanation:

45% when represented as a fraction reduces as follows:

45%=45/100=(cancel(5)xx9)/(cancel(5)xx20)=9/20

Now, we'll multiply the number in question by our fraction to get the desired result:

$180 \times \frac{45}{100} = 180 \times \frac{9}{20}$

$180 \times \frac{45}{100} = \cancel{20} \times 9 \times \frac{9}{\cancel{20}}$

$180 \times \frac{45}{100} = 9 \times 9 = \textcolor{g r e e n}{81 \text{ } a n s}$

May 9, 2018

45% of $180$ is $81$.

#### Explanation:

45%=0.45

Multiply $0.45$ by $180$ to find the answer.

$180 \cdot 0.45 = \textcolor{red}{81}$