Solutions by everydaycalculation.com
640999 is already in the simplest form. It can be written as 0.640641 in decimal form (rounded to 6 decimal places).
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Equivalent fractions: 1280/1998 1920/2997 3200/4995 4480/6993
More fractions: 1280/999 640/1998 1920/999 640/2997 641/999 640/1000639/999 640/998
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