Solutions by everydaycalculation.com
640799 is already in the simplest form. It can be written as 0.801001 in decimal form (rounded to 6 decimal places).
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Equivalent fractions: 1280/1598 1920/2397 3200/3995 4480/5593
More fractions: 1280/799 640/1598 1920/799 640/2397 641/799 640/800639/799 640/798
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