Solutions by everydaycalculation.com
The simplest form of 21001589 is 300227.
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Equivalent fractions: 4200/3178 6300/4767 300/227
More fractions: 4200/1589 2100/3178 6300/1589 2100/4767 2101/1589 2100/15902099/1589 2100/1588
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