Solutions by everydaycalculation.com
The simplest form of 640800 is 45.
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Equivalent fractions: 1280/1600 320/400 1920/2400 3200/4000 128/160 4480/5600
More fractions: 1280/800 640/1600 1920/800 640/2400 641/800 640/801639/800 640/799
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