Solutions by everydaycalculation.com
The simplest form of 210921 is 70307.
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Equivalent fractions: 420/1842 630/2763 70/307 1050/4605 1470/6447
More fractions: 420/921 210/1842 630/921 210/2763 211/921 210/922209/921 210/920
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