Solutions by everydaycalculation.com
The simplest form of 21051050 is 421210.
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Equivalent fractions: 4210/2100 6315/3150 421/210
More fractions: 4210/1050 2105/2100 6315/1050 2105/3150 2106/1050 2105/10512104/1050 2105/1049
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