Solutions by everydaycalculation.com
The simplest form of 21032100 is 701700.
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Equivalent fractions: 4206/4200 6309/6300 701/700
More fractions: 4206/2100 2103/4200 6309/2100 2103/6300 2104/2100 2103/21012102/2100 2103/2099
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