Solutions by everydaycalculation.com
420821 is already in the simplest form. It can be written as 0.511571 in decimal form (rounded to 6 decimal places).
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Equivalent fractions: 840/1642 1260/2463 2100/4105 2940/5747
More fractions: 840/821 420/1642 1260/821 420/2463 421/821 420/822419/821 420/820
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