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January 31, 2015

January 31, 2015

Posted by **G** on Tuesday, January 20, 2009 at 4:06pm.

Change 1.01 to a fraction

Book says answer is 100/99.

not clear why?

- Fractions -
**bobpursley**, Tuesday, January 20, 2009 at 4:26pm1.010101...

multiply by 100

101.0101.... subtract the original number

xx1.0101...

result is 100.

So let the original number be n

100n-n=100

n(100-1)=100

n=100/99

QED

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