Solutions by everydaycalculation.com
The simplest form of 640842 is 320421.
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Equivalent fractions: 1280/1684 320/421 1920/2526 3200/4210 4480/5894
More fractions: 1280/842 640/1684 1920/842 640/2526 641/842 640/843639/842 640/841
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