Solutions by everydaycalculation.com
The simplest form of 6401680 is 821.
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Equivalent fractions: 1280/3360 320/840 1920/5040 3200/8400 128/336
More fractions: 1280/1680 640/3360 1920/1680 640/5040 641/1680 640/1681639/1680 640/1679
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