Solutions by everydaycalculation.com
The simplest form of 21521684 is 538421.
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Equivalent fractions: 4304/3368 1076/842 6456/5052
More fractions: 4304/1684 2152/3368 6456/1684 2152/5052 2153/1684 2152/16852151/1684 2152/1683
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