Solutions by everydaycalculation.com
The simplest form of 640400 is 85.
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Equivalent fractions: 1280/800 320/200 1920/1200 3200/2000 128/80 4480/2800
More fractions: 1280/400 640/800 1920/400 640/1200 641/400 640/401639/400 640/399
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