Solutions by everydaycalculation.com
The simplest form of 18001980 is 1011.
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Equivalent fractions: 3600/3960 900/990 5400/5940 600/660 9000/9900 360/396
More fractions: 3600/1980 1800/3960 5400/1980 1800/5940 1801/1980 1800/19811799/1980 1800/1979
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