Solutions by everydaycalculation.com
The simplest form of 21121263 is 704421.
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Equivalent fractions: 4224/2526 6336/3789 704/421
More fractions: 4224/1263 2112/2526 6336/1263 2112/3789 2113/1263 2112/12642111/1263 2112/1262
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