Solutions by everydaycalculation.com
The simplest form of 8421728 is 421864.
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Equivalent fractions: 1684/3456 421/864 2526/5184 4210/8640
More fractions: 1684/1728 842/3456 2526/1728 842/5184 843/1728 842/1729841/1728 842/1727
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