Best Answer

Because when you change a fraction into a decimal and change the decimal into a percent it all adds up...

Let me explain...

1/2 is a fraction

The decimal of 1/2 is 0.5

Move the decimal point 2 places to the right and you get the percent of 0.5 which is 50%.

Fractions and decimals are the same, they're just used in different forms.

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13y ago
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