Solutions by everydaycalculation.com
The simplest form of 21001980 is 3533.
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Equivalent fractions: 4200/3960 1050/990 6300/5940 700/660 420/396
More fractions: 4200/1980 2100/3960 6300/1980 2100/5940 2101/1980 2100/19812099/1980 2100/1979
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