Solutions by everydaycalculation.com
The simplest form of 420840 is 12.
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Equivalent fractions: 840/1680 210/420 1260/2520 140/280 2100/4200 84/168 2940/5880 60/120
More fractions: 840/840 420/1680 1260/840 420/2520 421/840 420/841419/840 420/839
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