Solutions by everydaycalculation.com
The simplest form of 210231 is 1011.
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Equivalent fractions: 420/462 630/693 70/77 1050/1155 1470/1617 30/33
More fractions: 420/231 210/462 630/231 210/693 211/231 210/232209/231 210/230
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