Solutions by everydaycalculation.com
The simplest form of 21002121 is 100101.
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Equivalent fractions: 4200/4242 6300/6363 700/707 300/303
More fractions: 4200/2121 2100/4242 6300/2121 2100/6363 2101/2121 2100/21222099/2121 2100/2120
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