# How do you write 45% as a fraction?

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#### Explanation

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#### Explanation:

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Tony B Share
May 31, 2017

$\frac{9}{20}$

#### Explanation:

In the same way that when you are measuring a length in centimetres the units of measurement are shown as 'cm'. When counting proportions, if the % is used, it is likewise a unit of measurement. It is worth $\frac{1}{100}$

So 45% is the same as $45 \times \frac{1}{100}$

This gives you $\frac{45}{100} \text{ "->" } \frac{45 \div 5}{100 \div 5} = \frac{9}{20}$

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