Solutions by everydaycalculation.com
The simplest form of 210721 is 30103.
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Equivalent fractions: 420/1442 630/2163 1050/3605 1470/5047 30/103
More fractions: 420/721 210/1442 630/721 210/2163 211/721 210/722209/721 210/720
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